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Articles 6391 - 6420 of 8571

Full-Text Articles in Physical Sciences and Mathematics

Anthropogenic Land-Use Change In The North American Tall Grass-Short Grass Transition And Modification Of Near-Surface Hydrologic Cycle, Rezaul Mamood, Kenneth Hubbard May 2002

Anthropogenic Land-Use Change In The North American Tall Grass-Short Grass Transition And Modification Of Near-Surface Hydrologic Cycle, Rezaul Mamood, Kenneth Hubbard

School of Natural Resources: Faculty Publications

During the 19th and 20th centuries, the landscape of the North American Great Plains was rapidly modified from natural grasslands to agricultural farmlands. These changes affected much of the continent with potential impacts in grasslands equal to deforestation elsewhere. Therefore, the resulting impacts on weather and climate should be studied. In this study, a soil water balance model is applied for 3 land uses at 3 locations. These locations are representative of the east to west declining precipitation gradient of the Great Plains. It was found, in McCook, Nebraska, for example, that annual total evapotranspiration for irrigated maize is 36% …


Impervious Surfaces And Water Quality: A Review Of Current Literature And Its Implications For Watershed Planning, Elizabeth Brabec May 2002

Impervious Surfaces And Water Quality: A Review Of Current Literature And Its Implications For Watershed Planning, Elizabeth Brabec

Elizabeth Brabec

Impervious surfaces have for many years been recognized as an indicator of the intensity of the urban environment and, with the advent of urban sprawl, they have become a key issue in habitat health. Although a considerable amount of research has been done to define impervious thresholds for water quality degradation, there are a number of flaws in the assumptions and methodologies used. Given refinement of the methodology, accurate and usable parameters for preventative watershed planning can be developed, which include impervious surface thresholds and a balance between pervious and impervious surfaces within a watershed.


Profitable And Productive Farming Systems For Management Of Nolba Catchment, B R. Eastough, Nolba Focus Catchment Group May 2002

Profitable And Productive Farming Systems For Management Of Nolba Catchment, B R. Eastough, Nolba Focus Catchment Group

Resource management technical reports

Summary of the main points covered at each of the several workshop and two demonstrations by the Nolba Catchment Group, Western Australia. The areas addressed include: low recharge farming systems; impact on the environment of integrated weed management; management of organic matter in soils within the catchment; dune stabilisation and groundwater hydrology.


Monitoring Relative Abundance Of American Shad In Virginia’S Rivers 2001 Annual Report, John E. Olney, Kristin L. Maki Apr 2002

Monitoring Relative Abundance Of American Shad In Virginia’S Rivers 2001 Annual Report, John E. Olney, Kristin L. Maki

Reports

Concern about the decline in landings of American shad (Alosa sapidissima) along the Atlantic coast prompted the development of an interstate fisheries management plan (FMP) under the auspices of the Atlantic States Marine Fisheries Management Program (ASMFC 1999). Legislation enables imposition of federal sanctions on fishing in those states that fail to comply with the FMP. To be in compliance, coastal states are required to implement and maintain fishery-dependent and fishery-independent monitoring programs as specified by the FMP. For Virginia, these requirements include spawning stock assessments, the collection of biological data on the spawning run (e.g., age-structure, sex ratio, spawning …


Ordinance To Provide Inspection And Maintenance Of On-Site Sewage Disposal Systems And On-Site Water Supply Systems, Annis Water Resources Institute Apr 2002

Ordinance To Provide Inspection And Maintenance Of On-Site Sewage Disposal Systems And On-Site Water Supply Systems, Annis Water Resources Institute

Environmental Guidebooks and Model Ordinances

Ordinance to Provide Inspection and Maintenance of On-Site Sewage Disposal Systems and On-Site Water Supply Systems


Coalbed Methane In The San Juan Basin Of Colorado And New Mexico, Catherine Cullicott, Carolyn Dunmire, Jerry Brown, Chris Calwell Apr 2002

Coalbed Methane In The San Juan Basin Of Colorado And New Mexico, Catherine Cullicott, Carolyn Dunmire, Jerry Brown, Chris Calwell

Coalbed Methane Development in the Intermountain West (April 4-5)

35 pages (includes color illustrations and maps).

Contains 6 pages of endnotes.


Coalbed Methane Development In Wyoming’S Powder River Basin, Diana Hulme Apr 2002

Coalbed Methane Development In Wyoming’S Powder River Basin, Diana Hulme

Coalbed Methane Development in the Intermountain West (April 4-5)

21 pages (includes color illustrations and maps).

Contains endnotes.


Powder River Basin Coalbed Methane Financial Model (Prb-Cbm-Fm), W. Thomas Goerold Apr 2002

Powder River Basin Coalbed Methane Financial Model (Prb-Cbm-Fm), W. Thomas Goerold

Coalbed Methane Development in the Intermountain West (April 4-5)

12 pages (includes illustrations).

Contains references.


Overview Of Cbm Issues In The San Juan Basin, Catherine Cullicott Apr 2002

Overview Of Cbm Issues In The San Juan Basin, Catherine Cullicott

Coalbed Methane Development in the Intermountain West (April 4-5)

3 pages (includes some color illustrations and maps).


Impacts Of Cbm Development On Communities, Gwen Lachelt Apr 2002

Impacts Of Cbm Development On Communities, Gwen Lachelt

Coalbed Methane Development in the Intermountain West (April 4-5)

2 pages.


Overview Of Cbm Issues In The Powder River Basin, Diana Hulme Apr 2002

Overview Of Cbm Issues In The Powder River Basin, Diana Hulme

Coalbed Methane Development in the Intermountain West (April 4-5)

3 pages (includes color map).


Air Quality And Cbm Development, Bob Yuhnke Apr 2002

Air Quality And Cbm Development, Bob Yuhnke

Coalbed Methane Development in the Intermountain West (April 4-5)

5 pages (includes 1 color map).


Concluding Comments, Ayn Schmit Apr 2002

Concluding Comments, Ayn Schmit

Coalbed Methane Development in the Intermountain West (April 4-5)

2 pages.


Concluding Comments, Peter Dea Apr 2002

Concluding Comments, Peter Dea

Coalbed Methane Development in the Intermountain West (April 4-5)

3 pages.


Coalbed Methane Development In The Intermountain West: Primer, Gary Bryner Apr 2002

Coalbed Methane Development In The Intermountain West: Primer, Gary Bryner

Coalbed Methane Development in the Intermountain West (April 4-5)

50 pages (includes color illustrations and maps).

Contains 7 pages of endnotes.



An Overview Of Cbm Exploration And Production, Steve De Albuquerque Apr 2002

An Overview Of Cbm Exploration And Production, Steve De Albuquerque

Coalbed Methane Development in the Intermountain West (April 4-5)

9 pages (includes color illustrations and maps).


Waste Or Wasted? Rethinking The Regulation Of Coalbed Methane Byproduct Water In The Rocky Mountains: A Comparative Analysis Of Approaches To Cbm Produced Water Quantity Legal Issues In Utah, New Mexico, Colorado, Montana And Wyoming, Thomas F. Darin Apr 2002

Waste Or Wasted? Rethinking The Regulation Of Coalbed Methane Byproduct Water In The Rocky Mountains: A Comparative Analysis Of Approaches To Cbm Produced Water Quantity Legal Issues In Utah, New Mexico, Colorado, Montana And Wyoming, Thomas F. Darin

Coalbed Methane Development in the Intermountain West (April 4-5)

30 pages.

Contains 13 pages of references.


Cbm Development On The Southern Ute Reservation, Bob Zahradnik Apr 2002

Cbm Development On The Southern Ute Reservation, Bob Zahradnik

Coalbed Methane Development in the Intermountain West (April 4-5)

6 pages (includes color illustrations and maps).


Cbm Development From The County Perspective, Josh Joswick Apr 2002

Cbm Development From The County Perspective, Josh Joswick

Coalbed Methane Development in the Intermountain West (April 4-5)

4 pages.


Cbm Development Of Public Lands, Walt Brown Apr 2002

Cbm Development Of Public Lands, Walt Brown

Coalbed Methane Development in the Intermountain West (April 4-5)

5 pages (includes color illustrations and maps).


The Geology And Production Characteristics Of The Powder River And Other Cbm Basins In Wyoming, Lance Cook Apr 2002

The Geology And Production Characteristics Of The Powder River And Other Cbm Basins In Wyoming, Lance Cook

Coalbed Methane Development in the Intermountain West (April 4-5)

7 pages (includes some color illustrations and maps).


Cbm Water Management: Challenges, Solutions, And Opportunities, Mike Day Apr 2002

Cbm Water Management: Challenges, Solutions, And Opportunities, Mike Day

Coalbed Methane Development in the Intermountain West (April 4-5)

15 pages (includes color illustrations and maps).


Cbm Development, Ranching, And Agriculture, Nancy Sorenson, Jill Morrison Apr 2002

Cbm Development, Ranching, And Agriculture, Nancy Sorenson, Jill Morrison

Coalbed Methane Development in the Intermountain West (April 4-5)

5 pages.


Agenda: Coalbed Methane Development In The Intermountain West, University Of Colorado Boulder. Natural Resources Law Center Apr 2002

Agenda: Coalbed Methane Development In The Intermountain West, University Of Colorado Boulder. Natural Resources Law Center

Coalbed Methane Development in the Intermountain West (April 4-5)

306 p. : ill., maps ; 28 cm

"July 2002"--Cover

Proceedings of a conference held April 4-5, 2002

Listed as no. 28 in the Research Report Series on the NRLC Recent Publications list

Includes bibliographical references

Contents:

Coalbed methane development in the Intermountain West : a primer / Gary Bryner -- Coalbed methane development in the Intermountain West : case studies. Coalbed methane in the San Juan Basin of Colorado and New Mexico / Catherine Cullicott, Carolyn Dunmire, Jerry Brown, Chris Calwell ; Coalbed methane development in Wyoming's Powder River Basin / Diana Hulme -- Keynote address / Rebecca Watson …


Keynote Address, Rebecca Watson Apr 2002

Keynote Address, Rebecca Watson

Coalbed Methane Development in the Intermountain West (April 4-5)

6 pages.


The Hydrology Of Coalbed Methane Reservoirs And The Interplay Of Gas, Water, And Coal In Cbm Production, Leslie Nogaret Apr 2002

The Hydrology Of Coalbed Methane Reservoirs And The Interplay Of Gas, Water, And Coal In Cbm Production, Leslie Nogaret

Coalbed Methane Development in the Intermountain West (April 4-5)

7 pages (includes color illustrations and map).


Coalbed Methane And Public Wildlands: How Much And At What Cost?, Pete Morton, Chris Weller, Janice Thomson Apr 2002

Coalbed Methane And Public Wildlands: How Much And At What Cost?, Pete Morton, Chris Weller, Janice Thomson

Coalbed Methane Development in the Intermountain West (April 4-5)

19 pages (includes color illustrations and maps).

Contains references.


Keynote Address, John Watts Apr 2002

Keynote Address, John Watts

Coalbed Methane Development in the Intermountain West (April 4-5)

5 pages.


Coalbed Methane In The Rocky Mountain Region: Yesterday, Today And Tomorrow, Matthew R. Silverman Apr 2002

Coalbed Methane In The Rocky Mountain Region: Yesterday, Today And Tomorrow, Matthew R. Silverman

Coalbed Methane Development in the Intermountain West (April 4-5)

8 pages (includes color illustrations and maps).

Contains references.


Concluding Comments, Michael Reisner Apr 2002

Concluding Comments, Michael Reisner

Coalbed Methane Development in the Intermountain West (April 4-5)

2 pages.