Yu-feng ZHAO, Zhuan-xi LUO, Ya-jun YU, Ying-hui CHEN, Shu-gang ZHANG, Qing-hua ZHANG. Spatio-temporal changes of groundwater level and its driving factors in a typical region of Beijing-Tianjin-Hebei region, China[J]. Journal of Natural Resources, 2020, 35(6): 1301
- Journal of Natural Resources
- Vol. 35, Issue 6, 1301 (2020)
Fig. 1. Selected wells of groundwater level observation and meteorological stations in Zhangjiakou area
Fig. 2. Groundwater level changes in four geomorphic units, and districts and counties in Zhangjiakou area from 1981 to 2015
Fig. 3. Spatial variation of groundwater level in Zhangjiakou area from 1981 to 2015
Fig. 4. Precipitation, evaporation and temperature changes of four geomorphological units in Zhangjiakou area from 1981 to 2015
Fig. 5. Exploitation and utilization of groundwater resources in Zhangjiakou area and four geomorphic units from 1991 to 2015
Fig. 6. Principal component analysis of groundwater level variation and its driving factors in four geomorphological units in Zhangjiakou area
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Table 1. Correlation of groundwater level and its driving factors in four geomorphic units in Zhangjiakou area
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Table 2. Principal component analysis of groundwater level variation factors in four geomorphic units in Zhangjiakou area
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