Hydrology and Water Resources (HWR )  Department Info

HWR 195A -- Water, the Environment and Society  (1 unit)
Description:  The purpose of this weekly colloquium is to present and discuss selected topics in water resources, quality of the environment, and their influences on local and regional policies. Students are encouraged to participate in the discussions and to initiate them.   This is a First-Year Colloquium Course.
Prerequisite(s):  limited to freshmen only.
Usually offered:  Fall, Spring.

HWR 201 -- Water Science and the Environment  (3 units)
Description:  Water plays a crucial role in the physical, chemical, and biological processes that regulate the Earth system. The relations of physical hydrology are derived from the fundamental laws of physics and chemistry. The water cycle forms the framework for the study of hydrological science. Honors section available.
Special course fee required:  $8.
Course includes 1 or more field trips.
Prerequisite(s):  fundamental arithmetic manipulation and/or basic algebra. Two courses from Tier One, Natural Sciences (NATS 101, 102, 104).
Approved as:  General Education Tier Two - Natural Sciences.
May be repeated:  for a total of 6 units of credit.
Usually offered:  Fall, Spring.

HWR 202 -- The Water Cycle  (3 units)
Description:  The purpose of this course is to help students gain a quantitative understanding of the relationship between the hydrosphere and atmosphere and their impact on hydrologic systems, with emphasis on environmental effects. Field trips to the National Weather Service and Tucson Water Purification Plant. Honors section available.
Special course fee required:  $11 - For van transport and disposable water quality testing material..
Course includes 1 or more field trips.
Prerequisite(s):  not open to science and engineering majors.
Approved as:  General Education Tier Two - Natural Sciences.
Typical structure:  1 hour discussion, 2 hours lecture.
Usually offered:  Spring.

HWR 203 -- Arizona Water Issues  (3 units)
Description:  Study of the use and misuse of water throughout Arizona and the fundamental tools used to study water supply, quality, and conservation. Introduction to basic hydrologic principles to help students deal with issues they will encounter later as public citizens in their own communities.
Prerequisite(s):  Tier One physical science course. Two courses from Tier One, Natural Sciences (NATS 101, 102, 104).
Approved as:  General Education Tier Two - Natural Sciences.
Typical structure:  1 hour discussion, 2 hours lecture.
May be repeated:  for credit 1 time (maximum 2 enrollments).
Usually offered:  Fall, Spring.

HWR 250 -- Principles of Hydrology  (3 units)
Description:  Introduction to the hydrologic cycle and review of main processes, such as precipitation, evaporation and transpiration, runoff, infiltration and ground water. Some concepts and tools for water resources management are discussed. Laboratory techniques complement lecture topics.
Special course fee required:  $10.
Course includes 1 or more field trips.
Prerequisite(s):  introductory calculus.
Typical structure:  2 hours lecture, 3 hours laboratory.
Usually offered:  Spring.

HWR 299 -- Independent Study  (1-3 units)
Description:  Qualified students working on an individual basis with professors who have agreed to supervise such work.
May be repeated:  an unlimited number of times.
Usually offered:  Fall, Spring, Summer.

HWR 299H -- Honors Independent Study  (1-3 units)
Description:  Qualified students working on an individual basis with professors who have agreed to supervise such work.
May be repeated:  an unlimited number of times.
Usually offered:  Fall, Spring.

HWR 392A -- Directed Research in Hydrology and Water Resources  (1-6 units)
Description:  Individual or small group research under the guidance of faculty.
May be repeated:  for a total of 12 units of credit.
Usually offered:  Fall, Spring, Summer.

HWR 393 -- Internship  (1-3 units)
Description:  Specialized work on an individual basis, consisting of training and practice in actual service in a technical, business, or governmental establishment.
May be repeated:  an unlimited number of times.
Usually offered:  Fall, Spring.

HWR 394 -- Practicum  (1-3 units)
Description:  The practical application, on an individual basis, of previously studied theory and the collection of data for future theoretical interpretation.
May be repeated:  an unlimited number of times.
Usually offered:  Fall, Spring.

HWR 399 -- Independent Study  (1-3 units)
Description:  Qualified students working on an individual basis with professors who have agreed to supervise such work.
May be repeated:  an unlimited number of times.
Usually offered:  Fall, Spring, Summer.

HWR 399H -- Honors Independent Study  (1-3 units)
Description:  Qualified students working on an individual basis with professors who have agreed to supervise such work.
May be repeated:  an unlimited number of times.
Usually offered:  Fall, Spring.

HWR 407 -- Subsurface Hydrology  (3 units)
Description:  Introduction to groundwater flow through saturated and unsaturated soils and rocks and transport governing equations; flow nets; single and multiple borehole hydraulic tests; stream-aquifer interaction. Field methods.
Prerequisite(s):  PHYS 241, MATH 129, C E 218.
Usually offered:  Spring.

HWR 414 -- Field Hydrology (Surface Water)  (1 unit)
Description:  Field methods of collection, compilation, and interpretation of data in surface water. Stream gaging, hydrography and limnology exercises; evaporation studies; micrometeorological instruments and methods; slope-area method of indirect discharge measurement; flood plain mapping; preparation of hydrologic reports. Daily field work.
Special course fee required:  $75 - Summer only..
Prerequisite(s):  HWR 250 or HWR 423 or HWR 440.
May be convened with:  HWR 514.
Usually offered:  Summer.

HWR 415 -- Introduction to Water Resources Policy  (3 units)
Description:  Water resources policy including the identification of regional problems of water use, the elements of water planning, water rights, and a consideration of institutional structures and processes.   This is a Writing Emphasis Course.
Prerequisite(s):  satisfaction of the upper-division writing proficiency requirement.
Identical to:  GEOG 415.
May be convened with:  HWR 515.
Usually offered:  Spring.

HWR 423 -- Hydrology  (3 units)
Description:  Discussion and analysis of major topics of the hydrologic cycle and their interrelationship, such as rainfall, infiltration, evaporation, and runoff. Statistical and probabilistic methods in water supply and flood hydrology.
Prerequisite(s):  C E 218.
Identical to:  C E 423; C E is home department.
May be convened with:  HWR 523.
Usually offered:  Fall, Spring, Summer.

HWR 427 -- Computer Applications in Hydraulics  (3 units)
Description:  Computer modeling of surface water hydrology, flood plain hydraulics and water distribution systems. Theoretical basis. Application and design studies.
Identical to:  C E 427; C E is home department.
May be convened with:  HWR 527.
Usually offered:  Fall, Spring, Summer.

HWR 431 -- Hydrogeology  (4 units)
Description:  Hydrologic and geologic factors controlling the occurrence and dynamics of groundwater on regional and local scales.
Special course fee required:  $10.
Prerequisite(s):  GEOS 251, MATH 129.
Typical structure:  3 hours lecture, 3 hours laboratory.
Identical to:  GEOS 431.
May be convened with:  HWR 531.
Usually offered:  Fall.

HWR 432 -- Environmental Hydrogeology Lab  (3 units)
Description:  Introduction to field, lab, and office methods used in hydrogeology. Hands-on use of modern field and laboratory equipment to measure and monitor hydrogeological parameters and variables. Analysis, visualization, and interpretation of the data performed in chemistry and computer laboratories.
Typical structure:  6 hours laboratory, 1 hour lecture.
May be repeated:  for credit 1 time (maximum 2 enrollments).
May be convened with:  HWR 532.
Usually offered:  Fall, Spring.

HWR 440 -- Advanced Surface Water Hydrology  (3-4 units)
Description:  Theory and selected design problems from fluvial dynamics, flood hydrology, flood routing, and water supply hydrology. Discussion section is mandatory for undergraduates.
Course includes 1 or more field trips.
Prerequisite(s):  HWR 250 or HWR 423; C E 218.
May be convened with:  HWR 540.
Usually offered:  Spring.

HWR 443 -- Environmental Risk and Economic Analysis in Water Resources  (3 units)
Description:  Environmental risk analysis, environmental economics, and quantitative benefit-cost-risk planning and regulation applied to water resources.
Prerequisite(s):  MATH 125.
May be convened with:  HWR 543.
Usually offered:  Fall.

HWR 445 -- Statistical Hydrology  (3 units)
Description:  Application of statistics and probability to uncertainty in the description, measurement, and analysis of hydrologic variables and processes, including extreme events, error models, simulation, sampling.
Prerequisite(s):  SIE 305 or MATH 461 or GEOS 402A or equivalent calculus-based probability/statistics course.
May be convened with:  HWR 545.
Usually offered:  Spring.

HWR 450A -- Environmental Hydrology  (3 units)
Description:  Chemistry of surface and subsurface water, the predominant chemical processes affecting composition in relation to humanity's use; classification, identification, and mobility of contaminants; introduction to chemical and transport modeling. Focuses on inorganic chemistry.
Prerequisite(s):  HWR 250, CHEM 103A, CHEM 103B, MATH 129, knowledge of computer language; Concurrent registration, HWR 451.
May be convened with:  HWR 550A.
Usually offered:  Fall, Spring.

HWR 450B -- Environmental Hydrology  (3 units)
Description:  Chemistry of surface and subsurface water, the predominant chemical processes affecting composition in relation to humanity's use; classification, identification, and mobility of contaminants; introduction to chemical and transport modeling. Focuses on organic aquatic chemistry.
Prerequisite(s):  HWR 250, CHEM 103A, CHEM 103B, MATH 129, knowledge of computer language.
May be convened with:  HWR 550B.
Usually offered:  Fall, Spring.

HWR 451 -- Environmental Hydrology Lab  (1 unit)
Description:  Laboratory procedures related to chemistry of surface and subsurface water.
Special course fee required:  $15.
Prerequisite(s):  or Concurrent registration, HWR 450A.
May be convened with:  HWR 551.
Usually offered:  Spring.

HWR 460 -- Watershed Hydrology  (3 units)
Description:  Application of fundamental principles to quantifying the basic hydrologic processes occurring on watersheds.
Identical to:  WS M 460; WS M is home department.
May be convened with:  HWR 560.
Usually offered:  Fall.

HWR 461 -- Environmental and Resource Geography  (3 units)
Description:  Examines physical resources (e.g. distribution, quantities, and availability) and the human factors which may contribute to their completion and deterioration as well as protection and maintenance.  This is a Writing Emphasis Course.
Prerequisite(s):  satisfaction of the upper-division writing proficiency requirement.
Identical to:  GEOG 461; GEOG is home department.
Usually offered:  Spring.

HWR 467 -- Advanced Watershed Hydrology  (3 units)
Description:  Advanced topics in watershed hydrology; rainfall-runoff, infiltration, overland flow routing, sediment modeling, statistical analysis and research methods in hydrology.
Prerequisite(s):  WS M 460.
Identical to:  WS M 467; WS M is home department.
May be convened with:  HWR 567.
Usually offered:  Spring.

HWR 476 -- Environmental Law and Economics  (3 units)
Description:  A complex set of laws has developed to control the environmental risks posed by potentially polluting activities. In this course, a survey and an economic evaluation are presented of major environmental legislation designed to protect air, land and water resource quality.
Prerequisite(s):  ECON 300 or ECON 361.
Identical to:  AREC 476; AREC is home department.
Usually offered:  Spring.

HWR 478 -- Global Change  (3 units)
Description:  Analysis of the entire Earth system through an examination of how its component parts and their interactions have changed in the past and may be expected to change in the future.
Prerequisite(s):  upper-division standing, introductory course work in biological and physical sciences.
Identical to:  GEOS 478; GEOS is home department.
May be convened with:  HWR 578.
Usually offered:  Fall.

HWR 481 -- Environmental Policy  (3 units)
Description:  Role of government in management of energy, natural resources and environment; process and policy alternatives; special attention to the Southwest.
Prerequisite(s):  POL 201.
Identical to:  PA 481; PA is home department.
May be convened with:  HWR 581.
Usually offered:  Spring.

HWR 482 -- Applied Groundwater Modeling  (3 units)
Description:  Introduction to ground-water flow and transport modeling, with emphasis on model construction and simulation.
May be convened with:  HWR 582.
Usually offered:  Fall.

HWR 483 -- Physical Oceanology and Limnology for Hydrologists  (2 units)
Description:  [Taught alternate years 2000 - 2001] Origin, distribution, and characteristics of oceanic water; advective and convective processes; estuarine and shoreline processes; effect on coastal aquifers; classification and hydrologic regimen of lakes.
Prerequisite(s):  MATH 129.
May be convened with:  HWR 583.
Usually offered:  Spring.

HWR 490 -- Remote Sensing for the Study of Planet Earth  (3 units)
Description:  A multidisciplinary course delineating the physical basis of electromagnetic remote sensing, the concepts of information extraction, and applications pertinent to earth systems science.
Identical to:  REM 490; REM is home department.
May be convened with:  HWR 590.
Usually offered:  Spring.

HWR 492A -- Directed Research in Hydrology and Water Resources  (1-6 units)
Description:  Individual or small group research under the guidance of faculty.
May be repeated:  for a total of 12 units of credit.
Usually offered:  Fall, Spring, Summer.

HWR 496A -- Hydrology  (1 unit)
Description:  The development and exchange of scholarly information, usually in a small group setting. The scope of work shall consist of research by course registrants, with the exchange of the results of such research through discussion, reports, and/or papers.
May be repeated:  for credit 1 time (maximum 2 enrollments).
Usually offered:  Spring.

HWR 498 -- Senior Capstone  (1-3 units)
Description:  A culminating experience for majors involving a substantive project that demonstrates a synthesis of learning accumulated in the major, including broadly comprehensive knowledge of the discipline and its methodologies. Senior standing required.
Usually offered:  Fall, Spring.

HWR 498H -- Honors Thesis  (3 units)
Description:  An honors thesis is required of all the students graduating with honors. Students ordinarily sign up for this course as a two-semester sequence. The first semester the student performs research under the supervision of a faculty member; the second semester the student writes an honors thesis.
May be repeated:  for credit 2 times (maximum 3 enrollments).
Usually offered:  Fall, Spring.

HWR 499 -- Independent Study  (1-3 units)
Description:  Qualified students working on an individual basis with professors who have agreed to supervise such work.
May be repeated:  an unlimited number of times.
Usually offered:  Fall, Spring, Summer.

HWR 499H -- Honors Independent Study  (3 units)
Description:  Qualified students working on an individual basis with professors who have agreed to supervise such work.
May be repeated:  an unlimited number of times.
Usually offered:  Fall, Spring.

HWR 500 -- Ecosystemology for Urban Planning  (3 units)
Description:  Introduction to conceptual tools used in complex ecosystems, particularly cities and urban areas; integration of human residents with larger natural systems (human ecology); environmental impact assessment (EIA) and statement (EIS). Water resource planning and impact on regional ecosystems; technical, legal, ethical dimensions of water transfer.
Identical to:  PLN 500.
Usually offered:  Fall.

HWR 503 -- Subsurface Fluid Dynamics  (3 units)
Description:  Dynamics of immiscible fluids in porous and fractured media; anisotropy and scale; advective solute transport; consolidation and land subsidence; multiaquifer systems; free surface flow and salt water/fresh water interfaces.
Prerequisite(s):  MATH 223 or (preferably) MATH 322 or MATH 422A or MATH 422B; C E 218.
Identical to:  C E 503.
Usually offered:  Fall.

HWR 504 -- Numerical Methods in Subsurface Hydrology  (4 units)
Description:  Finite difference, finite element and boundary integral methods for subsurface fluid flow and mass transport; applications to aquifers, unsaturated soils, earth structures.
Identical to:  C E 504.
Usually offered:  Spring.

HWR 505 -- Vadose Zone Hydrology  (3 units)
Description:  Fundamentals of flow and transport in the vadose zone, including multiphase flow. Methods for characterization of hydraulic properties. Vadose zone processes relative to ground water contamination.
Prerequisite(s):  HWR 407 or HWR 503 or HWR 518.
Usually offered:  Spring.

HWR 506 -- Water Quality Dynamics  (3 units)
Description:  Chemical and physical methods are used to study the quality of ground and surface waters with emphasis on organic contaminants, colloids, and surface processes including sorption phenomena. Equilibrium and dynamic models of water chemistry.
Prerequisite(s):  HWR 517R, HWR 517L.
Usually offered:  Spring.

HWR 513 -- Environmental Risk Analysis  (3 units)
Description:  [Taught alternate years 2000 - 2001] Quantitative methods in risk analysis in theory and practice. Risk estimation, evaluation, perception, and management using Bayesian, fuzzy, utility, and multicriteria approaches. Environmental applications for water-related hazards.
Prerequisite(s):  HWR 445 or HWR 545 or SIE 305.
Identical to:  SIE 513.
Usually offered:  Fall.

HWR 514 -- Field Hydrology (Surface Water)  (1 unit)
Description:  Field methods of collection, compilation, and interpretation of data in surface water. Stream gaging, hydrography and limnology exercises; evaporation studies; micrometeorological instruments and methods; slope-area method of indirect discharge measurement; flood plain mapping; preparation of hydrologic reports. Daily field work. Graduate-level requirements include an in-depth report on one aspect of the field work or participation and assistance in the preparation and conduction of a field project. Daily field work.
Special course fee required:  $75 - Summer only..
Prerequisite(s):  HWR 519.
May be convened with:  HWR 414.
Usually offered:  Summer.

HWR 515 -- Introduction to Water Resources Policy  (3 units)
Description:  Water resources policy including the identification of regional problems of water use, the elements of water planning, water rights, and a consideration of institutional structures and processes. Graduate-level requirements include an in-depth term paper.
Identical to:  GEOG 515.
May be convened with:  HWR 415.
Usually offered:  Spring.

HWR 516 -- Hydrologic Transport Processes  (3 units)
Description:  Development and application of equations describing mass and energy transport in the subsurface environment.
Prerequisite(s):  HWR 503 or HWR 535; SIE 270.
Usually offered:  Fall.

HWR 517L -- Fundamentals of Water Quality Laboratory  (1 unit)
Description:  Field and laboratory methods in water quality sampling and analysis. Includes both wet chemical and instrumental methods of analysis.
Special course fee required:  $25.
Prerequisite(s):  HWR 517R.
Usually offered:  Fall.

HWR 517R -- Fundamentals of Water Quality  (3 units)
Description:  Introduction to chemical processes affecting the behavior of major and minor chemical species in the aquatic environment. Physical, equilibrium, organic, and analytical principles as applied to natural waters.
Prerequisite(s):  CHEM 103B, PHYS 241, MATH 129; Prerequisite or Concurrent registration, MATH 254.
Usually offered:  Fall.

HWR 518 -- Survey of Subsurface Hydrology  (3 units)
Description:  Survey of physical, mathematical, geologic, and engineering concepts fundamental to subsurface hydrologic processes.
Prerequisite(s):  or Concurrent registration, C E 218; MATH 254, GEOS 251.
Usually offered:  Fall.

HWR 519 -- Survey of Surface Water Hydrology  (3 units)
Description:  Survey of main topics in surface water hydrology: hydrometeorology, evaporation, rainfall-runoff, statistical and probabilistic methods, unit hydrograph method, and flood routing.
Prerequisite(s):  or Concurrent registration, C E 218, SIE 305.
Usually offered:  Spring.

HWR 520 -- Water Resources Management, Planning, and Rights: A Policy Approach  (3 units)
Description:  An introduction to basic concepts and issues of water resources management and administration, emphasizing water law and rights, water resources planning, institutional and organizational arrangements, and policy processes such as adjudication and rule-making.
Usually offered:  Spring.

HWR 521 -- Introduction to Water Resources Systems Analysis  (3 units)
Description:  Quantitative analytical methods in water resources planning and management; introduction to systems analysis, benefit/cost, multi-objective planning and risk assessment.
Prerequisite(s):  MATH 125.
Usually offered:  Fall.

HWR 522 -- Electrical Exploration Methods and Well Logging Interpretation  (3 units)
Description:  Topic A - Electrical Exploration Methods: Electrical properties, resistivity, induced polarization (IP), magnetotellurics (MT), electromagnetics, ground penetrating radar (GPR) surveys. Applications will include near-surface environmental and geo-engineering site investigations, hydrology and water resources studies, oil and minerals exploration. Topic B - Well Logging Interpretation: Fundamentals of quantitative formation evaluation: Detailed investigation of aspects of well logging applicable to the students' research interests.
Prerequisite(s):  G EN 448 or G EN 548. Consult department before enrolling.
May be repeated:  for a total of 6 units of credit.
Identical to:  G EN 522; G EN is home department.
Usually offered:  Spring.

HWR 523 -- Hydrology  (3 units)
Description:  Discussion and analysis of major topics of the hydrologic cycle and their interrelationship, such as rainfall, infiltration, evaporation, and runoff. Statistical and probabilistic methods in water supply and flood hydrology. Graduate-level requirements include a project paper.
Identical to:  C E 523; C E is home department.
May be convened with:  HWR 423.
Usually offered:  Fall, Spring, Summer.

HWR 524 -- Hydroclimatology  (3 units)
Description:  Precipitation formation processes, the surface and atmospheric branch of the hydrologic cycle, land surface-atmosphere interaction, surface energy balance, evapotranspiration, heat and moisture fluxes into the soil and atmospheric boundary layer.
Identical to:  ATMO 524.
Usually offered:  Fall.

HWR 525 -- Water Quality Modeling  (3 units)
Description:  Deterministic and stochastic modeling of surface water systems with particular emphasis on water quality management functions. Applications and modifications of Streeter-Phelps technique for predicting oxygen levels in streams. Usually offered every other Fall beginning 2002.
Prerequisite(s):  C E 218.
Identical to:  C E 525; C E is home department.
Usually offered:  Fall, Spring, Summer.

HWR 526 -- Water Quality Management  (3 units)
Description:  Optimization and systems analysis techniques used in modeling; current models used in formulation and implementation of water quality policy.
Prerequisite(s):  HWR 525.
Identical to:  C E 526.
Usually offered:  Spring.

HWR 527 -- Computer Applications in Hydraulics  (3 units)
Description:  Computer modeling of surface water hydrology, flood plain hydraulics and water distribution systems. Theoretical basis. Application and design studies. Graduate-level requirements include a research paper or project.
Identical to:  C E 527; C E is home department.
May be convened with:  HWR 427.
Usually offered:  Fall, Spring, Summer.

HWR 531 -- Hydrogeology  (4 units)
Description:  Hydrologic and geologic factors controlling the occurrence and dynamics of groundwater on regional and local scales. Graduate-level requirements include a research paper on a topic related to hydrogeology but not covered in lectures.
Special course fee required:  $10.
Typical structure:  3 hours lecture, 3 hours laboratory.
Identical to:  GEOS 531.
May be convened with:  HWR 431.
Usually offered:  Fall.

HWR 532 -- Environmental Hydrogeology Lab  (3 units)
Description:  Introduction to field, lab, and office methods used in hydrogeology. Hands-on use of modern field and laboratory equipment to measure and monitor hydrogeological parameters and variables. Analysis, visualization, and interpretation of the data performed in chemistry and computer laboratories. Graduate-level requirements include lab reports, demonstrated understanding of techniques learned and communicate results clearly/concisely; creative application of techniques to other problems.
Typical structure:  6 hours laboratory, 1 hour lecture.
May be repeated:  for credit 1 time (maximum 2 enrollments).
May be convened with:  HWR 432.
Usually offered:  Fall, Spring.

HWR 535 -- Advanced Subsurface Hydrology  (3 units)
Description:  Advanced aquifer and well hydraulics; heterogeneity, unsaturated flow; natural and artificial recharge; ground-water and surface-water interaction; mass and heat transport.
Prerequisite(s):  MATH 223 or MATH 322 or MATH 422A or MATH 422B.
Identical to:  GEOS 535.
Usually offered:  Spring.

HWR 536 -- Ground-Water Resource Evaluation  (3 units)
Description:  [Taught alternate years 2000 - 2001] Hydrologic and geologic techniques for evaluating aquifer systems with case studies of ground-water management on local and aquifer scales, their environmental and societal impacts; case studies of ground-water contamination.
Special course fee required:  $15.
Course includes 1 or more field trips.
Identical to:  GEOS 536.
Usually offered:  Spring.

HWR 540 -- Advanced Surface Water Hydrology  (3-4 units)
Description:  Theory and selected design problems from fluvial dynamics, flood hydrology, flood routing, and water supply hydrology. Discussion section is mandatory for undergraduates. Graduate-level requirements include an in-depth paper or project. Discussion section is optional for graduate students.
Prerequisite(s):  HWR 519 or HWR 523.
May be convened with:  HWR 440.
Usually offered:  Spring.

HWR 543 -- Environmental Risk and Economic Analysis in Water Resources  (3 units)
Description:  Environmental risk analysis, environmental economics, and quantitative benefit-cost-risk planning and regulation applied to water resources. Graduate-level requirements include a research paper on an applied aspect of the course.
May be convened with:  HWR 443.
Usually offered:  Fall.

HWR 545 -- Statistical Hydrology  (3 units)
Description:  Application of statistics and probability to uncertainty in the description, measurement, and analysis of hydrologic variables and processes, including extreme events, error models, simulation, sampling. Graduate-level requirements include an in-depth simulation project.
May be convened with:  HWR 445.
Usually offered:  Spring.

HWR 550A -- Environmental Hydrology  (3 units)
Description:  Chemistry of surface and subsurface water, the predominant chemical processes affecting composition in relation to humanity's use; classification, identification, and mobility of contaminants; introduction to chemical and transport modeling. Focuses on inorganic chemistry. Graduate-level requirements include an in-depth research paper.
May be convened with:  HWR 450A.
Usually offered:  Fall, Spring.

HWR 550B -- Environmental Hydrology  (3 units)
Description:  Chemistry of surface and subsurface water, the predominant chemical processes affecting composition in relation to humanity's use; classification, identification, and mobility of contaminants; introduction to chemical and transport modeling. Focuses on organic aquatic chemistry. Graduate-level requirements include an in-depth research paper.
May be convened with:  HWR 450B.
Usually offered:  Fall, Spring.

HWR 551 -- Environmental Hydrology Lab  (1 unit)
Description:  Laboratory procedures related to chemistry of surface and subsurface water. Graduate-level students will conduct their experiments individually and write individual lab reports.
Special course fee required:  $15.
Prerequisite(s):  or Concurrent registration, HWR 550A or equivalent.
May be convened with:  HWR 451.
Usually offered:  Spring.

HWR 560 -- Watershed Hydrology  (3 units)
Description:  Application of fundamental principles to quantifying the basic hydrologic processes occurring on watersheds.
Identical to:  WS M 560; WS M is home department.
May be convened with:  HWR 460.
Usually offered:  Fall.

HWR 563 -- Environmental Isotope Hydrology and Low Temperature Geochemistry  (3 units)
Description:  Theory and application of light stable and cosmogenic isotopes to hydrological and paleoenvironmental problems. Radiometric dating of ground water.
Identical to:  GEOS 563; GEOS is home department.
Usually offered:  Fall, Spring.

HWR 566 -- Soil and Groundwater Remediation  (3 units)
Description:  Principles of characterizing and remediating contaminated soil and groundwater systems, with a focus on case studies.
Prerequisite(s):  HWR 531 or equivalent; SWES 564 or equivalent.
Identical to:  SWES 566; SWES is home department.
Usually offered:  Fall.

HWR 567 -- Advanced Watershed Hydrology  (3 units)
Description:  Advanced topics in watershed hydrology; rainfall-runoff, infiltration, overland flow routing, sediment modeling, statistical analysis and research methods in hydrology. Graduate students will be required to do additional exercises.
Identical to:  WS M 567; WS M is home department.
May be convened with:  HWR 467.
Usually offered:  Fall.

HWR 569 -- Spatial Analysis of Hydrology and Watershed Management  (3 units)
Description:  Geographic information systems (GIS) as a tool for hydrologists and environmental managers. Topics relate to the application of GIS including classification and suitability analysis, interpolation techniques, terrain analysis, model integration, and visualization. Examines sources of potential error and the ramifications.
Prerequisite(s):  RNR 417 or RNR 517.
Typical structure:  2 hours lecture, 3 hours laboratory.
Identical to:  WS M 569; WS M is home department.

HWR 570 -- Computer Simulation of Hydrochemical Processes  (3 units)
Description:  Introduction to the fundamentals of solving complex water chemistry problems using computer codes as tools. Equilibrium, mass transfer, or 1-D transport models with multi-element chemistry, thermodynamic concepts, and use of equations in models; placing natural chemical processes into an interpretable framework, evaluation of error and uncertainty.
Prerequisite(s):  or Concurrent registration, HWR 506 or HWR 517R.
Usually offered:  Fall.

HWR 572 -- Global Biogeochemical Cycles  (3 units)
Description:  Study of processes affecting global chemical fluxes. Particular attention to current global concerns, i.e., ozone hole, carbon cycle, climate warming, atmospheric oxidation, hydrologic cycle.
Identical to:  GC 572; GC is home department.
Usually offered:  Fall.

HWR 576 -- Advanced Natural Resource Economics  (3 units)
Description:  Advanced economic theory and analysis of environmental and natural resource issues.
Prerequisite(s):  ECON 361, MATH 113.
Identical to:  AREC 576; AREC is home department.
Usually offered:  Spring.

HWR 577 -- Advanced Topics In the Economics of Environmental Regulation  (3 units)
Description:  Advanced economic theory of environmental policy. Topics include regulation of air and water pollution under imperfect competition, imperfect information, costly enforcement, uncertainty, and the use of alternative regulatory instruments.
Prerequisite(s):  MATH 113, ECON 361.
Identical to:  AREC 577; AREC is home department.
Usually offered:  Fall.

HWR 578 -- Global Change  (3 units)
Description:  Analysis of the entire Earth system through an examination of how its component parts and their interactions have changed in the past and may be expected to change in the future. Graduate-level requirements include an in-depth research paper on a topic selected by the student and instructor.
Identical to:  GEOS 578; GEOS is home department.
May be convened with:  HWR 478.
Usually offered:  Fall.

HWR 581 -- Environmental Policy  (3 units)
Description:  Role of government in management of energy, natural resources and environment; process and policy alternatives; special attention to the Southwest. Graduate-level requirements include additional readings and a substantial research paper of at least 25 pages in length.
Identical to:  PA 581; PA is home department.
May be convened with:  HWR 481.
Usually offered:  Spring.

HWR 582 -- Applied Groundwater Modeling  (3 units)
Description:  Introduction to ground-water flow and transport modeling, with emphasis on model construction and simulation. Graduate-level requirements include an in-depth research paper and/or project.
May be convened with:  HWR 482.
Usually offered:  Fall.

HWR 583 -- Physical Oceanology and Limnology for Hydrologists  (2 units)
Description:  [Taught alternate years 2000 - 2001] Origin, distribution, and characteristics of oceanic water; advective and convective processes; estuarine and shoreline processes; effect on coastal aquifers; classification and hydrologic regimen of lakes. [Taught alternate years 2000 - 2001] Graduate-level requirements include an in-depth research report.
May be convened with:  HWR 483.
Usually offered:  Spring.

HWR 590 -- Remote Sensing for the Study of Planet Earth  (3 units)
Description:  A multidisciplinary course delineating the physical basis of electromagnetic remote sensing, the concepts of information extraction, and applications pertinent to earth systems science. Graduate-level requirements include an additional term paper.
Identical to:  REM 590; REM is home department.
May be convened with:  HWR 490.
Usually offered:  Spring.

HWR 595B -- Global Climate Change  (3 units)
Description:  The exchange of scholarly information and/or secondary research, usually in a small group setting. Instruction often includes lectures by several different persons. Research projects may or may not be required of course registrants.
Prerequisite(s):  strong quantitative background in HWR, ATMO, GEOS, or RNR.
May be repeated:  for credit 1 time (maximum 2 enrollments).
Identical to:  ATMO 595B; ATMO is home department.
Usually offered:  Fall, Summer.

HWR 595C -- General Circulation Observations and Modeling  (1-3 units)
Description:  The exchange of scholarly information and/or secondary research, usually in a small group setting. Instruction often includes lectures by several different persons. Research projects may or may not be required of course registrants.
Prerequisite(s):  ATMO 541A, ATMO 551A, ENGR 170.
Identical to:  ATMO 595C; ATMO is home department.
Usually offered:  Spring, Summer.

HWR 596K -- Risk and Society  (3 units)
Description:  The development and exchange of scholarly information, usually in a small group setting. The scope of work shall consist of research by course registrants, with the exchange of the results of such research through discussion, reports, and/or papers.
Identical to:  GEOG 596K; GEOG is home department.
Usually offered:  Fall.

HWR 597A -- Computational Tools EOS Hydrology  (1-2 units)
Description:  The practical application of theoretical learning within a group setting and involving an exchange of ideas and practical methods, skills, and principles.
Prerequisite(s):  some previous knowledge of UNIX desirable.
May be repeated:  for a total of 4 units of credit.
Usually offered:  Fall.

HWR 599 -- Independent Study  (1-3 units)
Description:  Qualified students working on an individual basis with professors who have agreed to supervise such work. Graduate students doing independent work which cannot be classified as actual research will register for credit under course number 599, 699, or 799.
May be repeated:  an unlimited number of times.
Usually offered:  Fall, Spring, Summer.

HWR 603 -- Advanced Topics in Subsurface Hydrology  (2 units)
Description:  [Taught alternate years 2000 - 2001] Topics to be selected among (a) geostatistical and stochastic analyses of flow and transport, (b) well hydraulics and pumping test analysis, and (c) flow and transport in fractured rocks.
Prerequisite(s):  HWR 503 or HWR 535.
Usually offered:  Spring.

HWR 605 -- Soil-Water Dynamics  (3 units)
Description:  Water flow in soils; closely related problems of solute, pollutant, and heat transfer; emphasis on current concepts and research.
Prerequisite(s):  MATH 254.
Identical to:  SWES 605; SWES is home department.
Usually offered:  Spring.

HWR 642 -- Analysis of Hydrologic Systems  (3 units)
Description:  Presentation and evaluation of a variety of mathematical modeling techniques; presentation of theoretical basis of linear/nonlinear systems, advantages and limitations of various approaches, e.g., linear vs. nonlinear, lumped vs. distributed, used in hydrologic modeling; interrelation between function development and model calibration requirements.
Prerequisite(s):  MATH 254.
Usually offered:  Fall.

HWR 643 -- Water Resources Systems Analysis  (3 units)
Description:  Applications of mathematical programming to the analysis of interactions of hydrology, engineering, economics, and socio-institutional environment in regional water resources systems.
Prerequisite(s):  HWR 521 or consult department before enrolling.
Usually offered:  Spring.

HWR 645 -- Stochastic Methods in Subsurface Hydrology  (3 units)
Description:  [Taught alternate years 2001 - 2002] Application of the theory of stochastic processes and random fields to natural variability in subsurface hydrology.
Prerequisite(s):  HWR 545.
May be repeated:  for credit 1 time (maximum 2 enrollments).
Usually offered:  Spring.

HWR 655 -- Stochastic Hydrology  (3 units)
Description:  1999-2000 only [Taught Fall and Spring semesters, alternating Academic Years; Fall odd numbered, Spring even-numbered years] Advanced application of statistics and probability to hydrology. Topics/applications may vary with instructor, e.g., time series analysis and synthesis, and artificial neural network methods, as applied in the modeling of hydro-climatic sequences or Bayesian and other analyses in the decision making process of water resources. A combination of theory and application to the fields of hydrology, environmental and water resources engineering, climatic modeling, and other related natural resource modeling.
Prerequisite(s):  HWR 545.
May be repeated:  for credit 1 time (maximum 2 enrollments).
Identical to:  C E 655.
Usually offered:  Fall, Spring.

HWR 695A -- Hydrology and Water Resources  (1-3 units)
Description:  For HWR majors, research presentation only.
Prerequisite(s):  consult department before enrolling.
May be repeated:  for a total of 6 units of credit.
Usually offered:  Fall, Spring.

HWR 696C -- Advanced Topics in Subsurface Hydrology and Modeling  (1-3 units)
Description:  The development and exchange of scholarly information, usually in a small group setting. The scope of work shall consist of research by course registrants, with the exchange of the results of such research through discussion, reports, and/or papers.
Usually offered:  Spring.

HWR 696E -- Pollutants in the Hydrologic Environment  (1-3 units)
Description:  The development and exchange of scholarly information, usually in a small group setting. The scope of work shall consist of research by course registrants, with the exchange of the results of such research through discussion, reports, and/or papers.
May be repeated:  for a total of 3 units of credit.
Usually offered:  Fall, Spring.

HWR 696F -- Advanced Topics in Surface Hydrology and Modeling  (1-3 units)
Description:  The development and exchange of scholarly information, usually in a small group setting. The scope of work shall consist of research by course registrants, with the exchange of the results of such research through discussion, reports, and/or papers.
May be repeated:  for a total of 6 units of credit.
Usually offered:  Spring.

HWR 696I -- International Water Resource Management  (1-3 units)
Description:  The development and exchange of scholarly information, usually in a small group setting. The scope of work shall consist of research by course registrants, with the exchange of the results of such research through discussion, reports, and/or papers.
May be repeated:  for a total of 9 units of credit.
Identical to:  NES 696I, POL 696I.
Usually offered:  Fall.

HWR 696J -- Forensic Isotopic Hydrology  (1 unit)
Description:  Study of stable and radioactive isotopes in environmental contamination studies. Standards, mixing, fractionation, isotope combinations, and error; mass spectrometry methods and instrumentation; case histories from oil and gas, manufacturing, radioactive waste, municipal sources, and mining waste.
Identical to:  GEOS 696J.
Usually offered:  Spring.

HWR 696K -- Science and Technology of Radioactive Waste Management  (1-3 units)
Description:  The development and exchange of scholarly information, usually in a small group setting. The scope of work shall consist of research by course registrants, with the exchange of the results of such research through discussion, reports, and/or papers.
May be repeated:  for a total of 6 units of credit.
Usually offered:  Spring.

HWR 696L -- Topics in Semi-Arid Hydrology  (1-2 units)
Description:  In conjunction with researchers in the NSF Center for Sustainability of Semi-Arid Hydrology and Riparian Areas (SAHRA), students and faculty will explore science and policy issues related to the estimation, delivery, and use of water resources.
May be repeated:  for a total of 4 units of credit.
Usually offered:  Spring.

HWR 696N -- Climate Modeling  (1-3 units)
Description:  This seminar will review a wide range of climate models: 1-, 2-, and 3-dimensional; regional, global; atmospheric, oceanic, hydrologic, and coupled. Both theoretical and practical aspects of climate modeling are covered. Students will gain hands-on experience to implement a global atmospheric general circulation model on computers, to carry out hydrology related experiments, and to perform analyses.
Prerequisite(s):  basic knowledge of UNIX, FORTRAN, C, and climate.
Usually offered:  Spring.

HWR 696Q -- Advanced Methods in Hydrometeorology/Hydroclimatology  (1-3 units)
Description:  Field methods and experimental techniques for monitoring near-surface weather variables and the surface exchanges of energy, water vapor, and carbon dioxide; experience in team format research, in running and monitoring research planning meetings, and in delivering scientific seminars. Offered once annually based on student need.
May be repeated:  for a total of 6 units of credit.
Usually offered:  Fall, Spring.

HWR 696T -- Cosmogenic Isotopes and Other Environmental Tracers  (3 units)
Description:  [Taught alternate even years 2000 - 2001] Theory of isotopic and other tracers, and their applications to quantifying rates of hydrological and geological processes. Tracer production in the atmosphere, hydrosphere, and lithosphere. Their transport, deposition, and accumulation in different environments. Applications in earth, ocean, and atmospheric sciences.
Usually offered:  Spring.

HWR 699 -- Independent Study  (1-3 units)
Description:  Qualified students working on an individual basis with professors who have agreed to supervise such work. Graduate students doing independent work which cannot be classified as actual research will register for credit under course number 599, 699, or 799.
May be repeated:  an unlimited number of times.
Usually offered:  Fall, Spring.

HWR 900 -- Research  (1-4 units)
Description:  Individual research, not related to thesis or dissertation preparation, by graduate students.
May be repeated:  an unlimited number of times.
Usually offered:  Fall, Spring, Summer.

HWR 910 -- Thesis  (1-4 units)
Description:  Research for the master's thesis (whether library research, laboratory or field observation or research, artistic creation, or thesis writing). Maximum total credit permitted varies with the major department.
May be repeated:  for a total of 4 units of credit.
Usually offered:  Fall, Spring, Summer.

HWR 920 -- Dissertation  (1-9 units)
Description:  Research for the doctoral dissertation (whether library research, laboratory or field observation or research, artistic creation, or dissertation writing).
May be repeated:  an unlimited number of times.
Usually offered:  Fall, Spring, Summer.

HWR 930 -- Supplementary Registration  (1-9 units)
Description:  For students who have completed all course requirements for their advanced degree programs. May be used concurrently with other enrollments to bring to total number of units to the required minimum.
May be repeated:  an unlimited number of times.
Usually offered:  Fall, Spring, Summer.