The environmental geological conditions of Land resources in the Beijing-Tianjin-Hebei region
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    Abstract:

    The statistics of such resources as land resources, groundwater, wetland, minerals, geothermal and geological relics show that the soil quality is very good and the area of good and above-good grade possesses about 81%, in which the area of green agricultural products is 96363 km2, the area of selenium-rich cultivated and garden lands is 1894 km2; and the total amount of groundwater exploitation is 188 billion m3/a, suggesting characteristics of uneven spatial distribution; the area of five biggest wetlands including Hengshui Lake is about 614 km2, which has been reduced by about 35.57% in the past 30 years; the metal mineral and non-metallic mineral resources are abundant:iron ore reserves have reached 9840 million tons, the amount of copper mineral resources is 111.50 million tons, and oil geological reserves are about 2496.35 million tons; geothermal resources are rich, and the development and utilization of geothermal resources can replace 343 million tons of standard coal; geological relics are abundant, and 300 sites can be included in the Central Capital National Park Planning. Meanwhile, based on an analysis of main environmental geological problems such as active faults and earthquakes, ground collapse and fissures, landslides, land subsidence, groundwater pollution and wetland degradation in the Beijing-Tianjin-Hebei region, the authors put forward some geoscience suggestions for the urban and important infrastructure planning, wetland protection and restoration, groundwater exploitation, highquality arable land resources protection and geological relics development with the purpose of providing geological and resource safeguard for regional planning and construction.

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MA Zhen, XIE Hailan, LIN Liangjun, HU Qiuyun, QIAN Yong, ZHANG Surong, WANG Guiling, LI Jianguo, TAN Chengxuan, GUO Haipeng, ZHANG Fucun, ZHAO Changrong, LIU Hongwei. The environmental geological conditions of Land resources in the Beijing-Tianjin-Hebei region[J]. Geology in China, 2017, 44(5): 857-873(in Chinese with English abstract).

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History
  • Received:September 16,2017
  • Revised:October 08,2017
  • Adopted:
  • Online: December 28,2017
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