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The responses of soil nitrogen (N) transformations to climate change are crucial for biome productivity prediction under global change. However, little is known about the responses of soil gross N transformation rates to drought gradient. Along an aridity gradient across the 2700 km transect of drylands on the Qinghai‐Tibetan Plateau, this study measured three main soil gross N transformation rates...
A drought index is defined based on the inland river runoff from Hexi corridor, Gansu Province, Northwest China. The relationship between this drought index and yields of spring wheat is examined. The data used in this study include the following: monthly runoff data during 1959–2004 from the hydrological stations at Changmapu, Yingluoxia and Jiutiaoling on the three representative inland rivers in...
In this paper, the long-term variability and response to climate change of runoff of main rivers in Gansu province are analyzed by meteorological and hydrological data. The results show that the fundamental features of runoff in seasonal change are non-uniform distribution of annual runoff, concentrated runoff in flood period, deficit runoff lower in spring and winter and drought at the end of spring...
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