Results 261 to 270 of about 136,083 (308)

Conservation tillage in dryland agriculture impacts watershed hydrology

Journal of Hydrology, 2013
Summary Dryland (non-irrigated) crop production in semi-arid regions requires sufficient water storage in the soil profile to ensure adequate plant available water, particularly in areas where the majority of annual precipitation occurs during the non-growing season.
J.B. Van Wie, J.C. Adam, J.L. Ullman
openaire   +3 more sources

Agricultural modifications of hydrological flows create ecological surprises

Trends in Ecology & Evolution, 2008
Agricultural expansion and intensification have altered the quantity and quality of global water flows. Research suggests that these changes have increased the risk of catastrophic ecosystem regime shifts. We identify and review evidence for agriculture-related regime shifts in three parts of the hydrological cycle: interactions between agriculture and
Line J, Gordon   +2 more
openaire   +2 more sources

The hydrologic behavior of agricultural watersheds

Eos, Transactions American Geophysical Union, 1944
During the past decade there has been much discussion, pro and con, with regard to the effects of agricultural operations upon the amount and regimen of runoff from watersheds. The problem becomes highly involved on large watersheds, because they are made up of various complexes of soil, cover, topography, and other edaphic features.
openaire   +1 more source

Coupling of Agricultural Economic and Hydrological Models

German Journal of Agricultural Economics, 2003
The objective of the paper is to show the potential of interdisciplinary model networks consisting of agricultural economic and natural science models performing integrated impact assessments of agri-environmental policies. The potentials are exemplified using a coupling of the agricultural sector model RAUMIS with the hydrological models GROWA98 and ...
Horst Gömann   +3 more
openaire   +1 more source

Hydrological heterogeneity in agricultural riparian buffer strips

Journal of Hydrology, 2017
Riparian buffer strips (RBS) may protect surface water and groundwater in agricultural settings, although their effectiveness, observed in field-scale studies, may not extend to a watershed scale. Hydrologically-controlled leaching plots have often shown RBS to be effective at buffering nutrients and pesticides, but uncontrolled field studies have ...
Hénault-Ethier, Louise   +4 more
openaire   +2 more sources

Hydrologic and Sediment Transport Modeling of Agricultural Watersheds

Bridging the Gap, 2001
Dealing with flooding, upland soil and streambank erosion, sedimentation, and contamination of water from agricultural, rural, and urban watersheds, and understanding the underlying natural processes are continued challenges to the environmental hydraulics field and in the management of sustainable water and environmental resources around the world ...
Deva K. Borah   +2 more
openaire   +1 more source

Hydrology of the Nile and Ancient Agriculture

2017
This Chapter includes two main topics; (1) Hydrology of the River Nile and (2) Ancient agriculture in Egypt. The first part comprises general overview of the Nile River, topography of the Nile Basin, precipitation (run off and natural flows), annual flows and flow pattern of the Nile, Pharaohs’ water management systems, and irrigation canal systems and
M. N. Noaman, D. El Quosy
openaire   +1 more source

Hydrologic and water quality impacts of agricultural drainage∗

Critical Reviews in Environmental Science and Technology, 1994
While some of the world's most productive agriculture is on artificially drained soils, drainage is increasingly perceived as a major contributor to detrimental off‐site environmental impacts.
R. W. Skaggs   +2 more
openaire   +1 more source

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