Results 61 to 70 of about 115,152 (210)
Aviation's role in earth resources surveys [PDF]
The role of satellites designed to make a wide variety of earth observations is discussed along with the renewed interest in the use of aircraft as platforms for similar and complementary earth resources surveys.
Mulholland, D. R., Syvertson, C. A.
core +1 more source
, 2010 When applied to wetlands, the science of hydrology is concerned with how the storage and movement of water into and out of a wetland affects the plants and animals, and the soils on which they grow.
Campbell, David I.
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Assessment of hydrology, sediment and particulate organic carbon yield in a large agricultural catchment using the SWAT model [PDF]
, 2011 The Soil and Water Assessment Tool (SWAT, 2005) was used to simulate discharge and sediment transport at daily time steps within the intensively farmed Save catchment in south-west France (1110 km2).
Oeurng, Chantha +2 more
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Irrigation and Drainage, EarlyView.ABSTRACT Agricultural drainage plays a crucial role in land management and crop productivity but significantly impacts greenhouse gas (GHG) emissions. This study examines the effects of drained and undrained soil conditions on GHG emissions in croplands via a case study in Lincolnshire, United Kingdom.
Talha Özçelik, Matthias Kuhnert
wiley +1 more source
Limnological research in Nigeria: some perspectives [PDF]
, 2003 A brief review on limnological research in Nigeria is given: the status of the research in the country and perspectives for future development are ...
Azionu, B.C.
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Irrigation and Drainage, EarlyView.ABSTRACT Soybean growth, yield, crop evapotranspiration (ETc) and crop water use efficiency (CWUE or crop water productivity, CWP) under different irrigation levels in three different soil types in the same field were investigated concurrently. Treatments in each soil type were: (i) variable rate irrigation (VRI), (ii) fixed rate full irrigation (FR‐1″)
S. Irmak, T. A. Hinn
wiley +1 more source
A baseline appraisal of water-dependant ecosystem services, the roles they play within desakota livelihood systems and their potential sensitivity to climate change [PDF]
, 2008 This report forms part of a larger research programme on 'Reinterpreting the Urban-Rural Continuum', which conceptualises and investigates current knowledge and research gaps concerning 'the role that ecosystems services play in the livelihoods of the ...
Gosling, Simon +4 more
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Irrigation and Drainage, EarlyView.ABSTRACT Small‐scale irrigation represents a highly effective system designed to enhance production and productivity, mitigate risks associated with rainfall variability and increase the income of rural farm households. This study was conducted to analyse small‐scale irrigation impact on household income and assess the challenges and opportunities in ...
Molla Gessesse +3 more
wiley +1 more source
Hydrology of conflicts over shallow groundwater use and management in low coral islands [PDF]
, 2002 Groundwater is the major freshwater source in coral islands. Its availability, quality, and management are central to sustainable development and poverty alleviation. Increasing populations, growing per capita demand and restricted land areas limit water
Crennan, L. +7 more
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Irrigation and Drainage, EarlyView.ABSTRACT This research investigated soybean soil water dynamics under different irrigation levels in three different soil types in the same field concurrently. Treatments imposed in each soil type were: (i) variable‐rate irrigation (VRI), (ii) fixed‐rate full irrigation (FRI‐1″ or FRI‐25.4 mm) and (iii) fixed‐rate limited irrigation (FRI‐0.75″ or FRI ...
S. Irmak +3 more
wiley +1 more source