Hydrogeology and water
for the evaluation of regional hydrogeologic low plains area,the aquifer for the middle and upper Pleistocene ash,China and the lower part,gray sand and gravel layer and below Pleistocene gray,gray and white-quality kaolin sand and gravel layer.two middle without lining.Water quality for low-salinity of freshwater.County groundwater storage structures can be divided into plain and hilly -- Hill prospect area.
2.1.4 climate Profiles
Baoqing County,located in the mid-latitude,Eastern Europe and Asia,belong to the temperate continental monsoon climate,Climate show obvious seasonal characteristics,the spring dry,windy rain,evaporation is high; Ocean by the summer of warm currents,cool and rainy,with plenty of rainfall; long and cold winter; fall short,fast cooling and climate variability; The annual average temperature 3.7 ° C,an average July temperature of 21.9 ° C,maximum temperature 37.2 ° C,January average temperature -18.2 ° C,and extreme minimum temperature of -38.5 ° C.The average rainfall 503.0 mm,5 September precipitation% of total annual precipitation of 80%.The average annual wind speed 4.0 m / s,the maximum wind speed up to the spring CIRP /'s.Northwest winds over the winter and summer southerly.Frost-free period from the mountains to the plains with an average of 130 150 days,with an average of 143.2 days.2,513 hours of annual sunshine.