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Articles 1771 - 1800 of 2083

Full-Text Articles in Water Resource Management

Dew Chemistry, G. H. Wagner Jun 1990

Dew Chemistry, G. H. Wagner

Arkansas Water Resources Center Technical Reports

From July, 1989 to July 1990 a total of 98 dews and 9 frosts were collected at the University of Arkansas Agricultural Experiment Station, Fayetteville. The total water flux from dews and frosts per year is less than 2% of that from rains. Acid and nutrient fluxes are also much lower in dew. In the following series of ions the number in parenthesis gives the % of the yearly flux of the ion in dew compared to rain for an average year: H+ (0.08), Ca2+ (23), Mg2+(9), K+(20), Na+(5), NH+(12), Cl-(7), S02/4-(5) and N0-/3 (6). A typical dew has a …


Interactions Between Plains Pocket Gophers And Two Varieties Of Dryland Alfalfa, James C. Luchsinger May 1990

Interactions Between Plains Pocket Gophers And Two Varieties Of Dryland Alfalfa, James C. Luchsinger

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


Evaluation Of Monofilament Lines To Prevent Damage By Birds, Danilo A. Aguero May 1990

Evaluation Of Monofilament Lines To Prevent Damage By Birds, Danilo A. Aguero

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


A “Drastic” Evaluation Of The Ground-Water Pollution Potential Of Karst Terrain: Lost River Ground-Water Basin, Warren County, Kentucky, David Baize Apr 1990

A “Drastic” Evaluation Of The Ground-Water Pollution Potential Of Karst Terrain: Lost River Ground-Water Basin, Warren County, Kentucky, David Baize

Masters Theses & Specialist Projects

Karst terrains, such as the Lost River Karst Ground-Water Basin, are extremely vulnerable to ground-water contamination. Seven physical factors: depth to water, recharge, aquifer media, soil media, topography, impact of the vadose zone, and hydraulic conductivity, are evaluated using the DRASTIC system to determine the ground-water pollution potential of the study area. A numerical value is calculated for each of the seven factors, and a map layer for each factor is produced. These layers are then “added” together to produce a DRASTIC ground-water pollution potential map. The effectiveness of each factor in evaluating the pollution potential of karst terrain is …


Arkansas Water Resources Research Center Pamphlet, Kenneth F. Steele Jan 1990

Arkansas Water Resources Research Center Pamphlet, Kenneth F. Steele

Arkansas Water Resources Center Technical Reports

Arkansas Water Resources Center (AWRC) works closely with state and federal agencies and academic institutions. Priority research categories are: surface water analysis, ground water pollution, surface and ground water quality/quanity, and water resource management.


Preliminary Groundwater And Salinity Investigation In The Eastern Wheatbelt. 1. Brennand's Catchment, Richard J. George Dr, P W C Frantom Jan 1990

Preliminary Groundwater And Salinity Investigation In The Eastern Wheatbelt. 1. Brennand's Catchment, Richard J. George Dr, P W C Frantom

Resource management technical reports

Groundwaters were found to be 10 m below the floor of the ancestral playa lake in Brennand's catchment. They were extremely saline. A groundwater flow system was not established on much of the catchment. Flow was observed to be occurring from recharge areas near the playa lakes towards the midslopes of the catchment. Flow was apparently restricted from leaving Brennand's catchment because of obstruction to groundwaters created by dolerite dykes.


Preliminary Groundwater And Salinity Investigation In The Eastern Wheatbelt. 4. Kitto's Hillslope, Tammin - 1985-90, Richard J. George Dr Jan 1990

Preliminary Groundwater And Salinity Investigation In The Eastern Wheatbelt. 4. Kitto's Hillslope, Tammin - 1985-90, Richard J. George Dr

Resource management technical reports

The investigation revealed that a deep, brackish to saline groundwater system and dolerite dyke, contained within the saprolite were responsible for the secondary salinity; the annual discharge of water and salt at the seep from the damp groundwater system was about 2800 kL and 17 tonnes respectively; and the water-tables were not rising and that the most appropriate management of the site was to plant salt tolerant forage plants in combination with trees.


Shallow Drains For Reducing Waterlogging And Salinity On Clay Flats, Don Mcfarlane, Tim Negus, Arjen Ryder Jan 1990

Shallow Drains For Reducing Waterlogging And Salinity On Clay Flats, Don Mcfarlane, Tim Negus, Arjen Ryder

Journal of the Department of Agriculture, Western Australia, Series 4

Flooding, waterlogging and salinity are problems which commonly occur together on the broad valleys of the wheatbelt. Drainage lines often become poorly defined once they reach the valleys and flood waters spread out, causing inundation and waterlogging. This excess water needs to be controlled because it contributes to salinity


Waterlogging : One Reason Why Our Crops And Pastures Are Not Achieving Maximum Yields, Department Of Agriculture And Food, Western Australia Jan 1990

Waterlogging : One Reason Why Our Crops And Pastures Are Not Achieving Maximum Yields, Department Of Agriculture And Food, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

Water, either its lack"or excess, is the main factor affecting the yield of crops and pastures in Western Australia.


Seepage Interceptor Drains For Reducing Waterlogging And Salinity, Don Mcfarlane, Jim Cox Jan 1990

Seepage Interceptor Drains For Reducing Waterlogging And Salinity, Don Mcfarlane, Jim Cox

Journal of the Department of Agriculture, Western Australia, Series 4

Shallow interceptor drains can reduce waterlogging on sloping sites. Such drains will more than pay for themselves from the increased crop yield. Recent work has shown that these drains also decrease salinity so that they are cost-effective in the long as well as the short term.


Level Banks Used To Decrease Waterlogging Can Increase Salinity, Don Mcfarlane, Richard Engel, Arjen Ryder, Maurice Eales Jan 1990

Level Banks Used To Decrease Waterlogging Can Increase Salinity, Don Mcfarlane, Richard Engel, Arjen Ryder, Maurice Eales

Journal of the Department of Agriculture, Western Australia, Series 4

Some farmers have used level W1SALTS banks to control surface zvaters above areas affected by ivaterlogging and salinity. Because the amount of waterlogging has been reduced, crop yields have increased downslope of some banks. However, the banks divert fresh surface water into deeper salty groundwater and, in the long term, worsen salinity. This article details an investigation of the effect of level WIS ALTS banks on saline groundwaters and discusses alternative methods of preventing the waterlogging of saline areas.


What Are Land Conservation Districts?, Western Australian Department Of Agriculture Jan 1990

What Are Land Conservation Districts?, Western Australian Department Of Agriculture

Natural resources published reports

Land conservation groups need your support. Land degradation is not just a farming problem. We change the land and waters in many ways, whether it be clearing of precious natural bush or through the fertilizers which leach from our gardens.

By learning about the Land Conservation Districts achievements and understanding the challenges they face we can better see our own place in the scheme of things.

We will learn the ways to organize for Landcare in other rural areas, or in the city, that will be successful.

This is what the Decade of Landcare is all about - providing an …


Dehydration Tolerance Of Several Populus Deltoides Clones, G. Michael Gebre Dec 1989

Dehydration Tolerance Of Several Populus Deltoides Clones, G. Michael Gebre

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


Reproductive Biology Of Pinus Sylvestris L.: Seed Yield, Flower Phenology, The Response Of Young Seedlings To Ga 4/7, And Developmental Anatomy, Teresa K. Boes Dec 1989

Reproductive Biology Of Pinus Sylvestris L.: Seed Yield, Flower Phenology, The Response Of Young Seedlings To Ga 4/7, And Developmental Anatomy, Teresa K. Boes

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


A Colorado River Basin Authority: Opportunity For Sharing River Basin Management And Resources, David H. Getches Jun 1989

A Colorado River Basin Authority: Opportunity For Sharing River Basin Management And Resources, David H. Getches

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

32 pages.

Contains references.


Work Plan For The Missouri Basin States Association, David L. Pope Jun 1989

Work Plan For The Missouri Basin States Association, David L. Pope

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

6 pages.


The Northwest Power Planning Council: A Model For Cooperative Planning In The Missouri Basin?, Gerald Mueller Jun 1989

The Northwest Power Planning Council: A Model For Cooperative Planning In The Missouri Basin?, Gerald Mueller

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

16 pages.

Contains references.


Within The Hundredth Meridian: Western States And Their River Basins In A Time Of Transition, John M. Volkman, Kai N. Lee Jun 1989

Within The Hundredth Meridian: Western States And Their River Basins In A Time Of Transition, John M. Volkman, Kai N. Lee

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

29 pages.

Contains footnotes.


The Delaware River Basin: Courts, Compacts And Commissions, R. Timothy Weston Jun 1989

The Delaware River Basin: Courts, Compacts And Commissions, R. Timothy Weston

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

112 pages (includes illustrations and 1 map).

Contains references.


Marketing Of Indian Reserved Water Rights, Jeanne S. Whiteing Jun 1989

Marketing Of Indian Reserved Water Rights, Jeanne S. Whiteing

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

10 pages.


Coordinated Water Management In A Basin With Erratic Surface Supplies: The Law North And South Of The Pecos, Charles T. Dumars Jun 1989

Coordinated Water Management In A Basin With Erratic Surface Supplies: The Law North And South Of The Pecos, Charles T. Dumars

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

11 pages.

Contains references.


State Resource Sovereignty In A Post-Sporhase World: The Hueco Bolson, A. Dan Tarlock Jun 1989

State Resource Sovereignty In A Post-Sporhase World: The Hueco Bolson, A. Dan Tarlock

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

30 pages.

Contains references.


Unique Legal Issues Raised By Long Distance Water Transfer Proposals: Etsi, The Columbia River, Nawapa, Ralph W. Johnson Jun 1989

Unique Legal Issues Raised By Long Distance Water Transfer Proposals: Etsi, The Columbia River, Nawapa, Ralph W. Johnson

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

12 pages.

Contains references.


The Missouri: River Of Promise Or River Of Peril?, John E. Thorson Jun 1989

The Missouri: River Of Promise Or River Of Peril?, John E. Thorson

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

14 pages (includes 1 map).

Contains references.


Montana’S Response To Interjurisdictional Marketing Challenges, Deborah Beaumont Schmidt Jun 1989

Montana’S Response To Interjurisdictional Marketing Challenges, Deborah Beaumont Schmidt

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

20 pages.

Contains references.


Interjurisdictional Relations Under Federal Water Quality Law: A Guide Through The Maze, Michael C. Blumm, Daniel Rohlf Jun 1989

Interjurisdictional Relations Under Federal Water Quality Law: A Guide Through The Maze, Michael C. Blumm, Daniel Rohlf

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

53 pages.

Contains references.


Allocation And Use Of International Rivers: Recent Developments In International Law, Daniel Barstow Magraw Jun 1989

Allocation And Use Of International Rivers: Recent Developments In International Law, Daniel Barstow Magraw

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

26 pages.

Contains references.


Allocating Groundwater Among Nations, States And Tribes, Ann Berkley Rodgers, Carolyn J. Abeita Jun 1989

Allocating Groundwater Among Nations, States And Tribes, Ann Berkley Rodgers, Carolyn J. Abeita

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

70 pages.


Managing The Upper Rio Grande: Old Institutions, New Players, Steven J. Shupe Jun 1989

Managing The Upper Rio Grande: Old Institutions, New Players, Steven J. Shupe

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

19 pages.


The Colorado River Compact: A Breeding Ground For International, National, And Interstate Controversies, John U. Carlson Jun 1989

The Colorado River Compact: A Breeding Ground For International, National, And Interstate Controversies, John U. Carlson

Boundaries and Water: Allocation and Use of a Shared Resource (Summer Conference, June 5-7)

38 pages.

Contains references.