This study combined evaluations of the thick uz with those of the saturated zone and used multiple tracers such as cl no3 br 2h 18o 13c 3h and 14c to study groundwater recharge characteristics in an integrated loess tableland in the loess plateau china where precipitation infiltration is the only recharge source for shallow groundwater. The loess plateau in northwest china is one of the most water scarce areas on earth in the loess tableland lt the underground water system is the most critical component of terrestrial ecology and the local economy in this study a new approach was developed to holistically simulate monthly and yearly underground hydrology in the lt including the soil water reservoir swr and the . Due to deficient water resources in the loess plateau watershed management plays a very important role not only for ecological and environmental protection but also for the social development of the region to better understand the hydrological and water resource variations in the typical watershed of the loess plateau and the qinghe river basin the influences of land cover and climate . Ecological site concept this ecological site occurs in the breaks landscape of mlra72 central high tableland the loess breaks occur on steep to very steep hillslopes and canyon walls that have been dissected by geologic erosion creating narrow ridges or divides that break off steeply to narrow drainageways below. Land use ecological services inc provides comprehensive environmental planning and technical services related to environmental regulations and permitting wetland and terrestrial ecology environmental impact analysis and gis mapping for municipal and private sector clients land use was established in 1981 and is located in medford ny
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