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2012 Jul 13
0
How to simulate the relationship of vegetation and groundwater in Minqin Oasis, Gansu Province, China
...an Reservoir
reduced from 460M tons at 1950s to less than 100M tons now; b, more than 5
billion tons groundwater over extracted totally, the groundwater level
dropped by an average of 10 ~ 12m; c. average annual precipitation for the
past five years is 127.7mm, and the average annual evaporation is 2623mm);
on the other hand, serious deteriorated water quality (about 190,000 tons
salinity carried by irrigated water from Shiyang River).*
*3. **Traditional theory holds that the restoration of vegetation will
increase the evapotranspiration, then leading to groundwater decline.*
*4. **Let’s...