Analysis of Water Resource Supply and Demand for Hydrological Response Unit Based High Standard Farmland — with Huanghua City as an Example
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Abstract:
The construction of the high standard farmland is very necessary to improve farmland quality, increase crop yields and raise agricultural productivity. Huanghua City of Hebei Province situated in Heilonggang River basin is seriously short of water, but it is flat and the farmland is widely distributed. The potential of land utilization is great so that it is a key area for the construction of high standard farmland. To carry out the analysis and assessment of high standard farmland construction based water resources supply and demand as well as the probe of the new land consolidation techniques and measures can make the water resources used rationally and land utilization efficiency improved remarkably. In this paper, the water resources supply and demand volume was calculated with hydrological response unit based water resources model method and the spatial analysis was made with the MAPGIS, then the analysis and assessment results were obtained high standard farmland construction based water resources supply and demand. The results showed that water and land resources are extremely abundant in the eastern part of the city near the coast, are balanced in southern and northwestern parts of city and are short or extremely short in the western and central parts of the city.
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