The snow-cover days over the middle and lower reaches of the Yangtze River(MLRYR) in the winter of 1670 were extracted from Chinese historical documents. By these records, the winter temperature anoma
There are only limited surface water resources available in the Heihe River Basin(HRB), a typical inland river basin in the arid region of northwestern China, where groundwater overexploitation is a s
Ecological civilization(EC) construction has become one of the key elements of Chinas reform and development process, since it was put forward at the 17 th National Peoples Congress(NPC) in 2007 and i