Dynamic features of groundwater level in Xican city and i ts influence factors
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Abstract:
Acco rding t o the gr oundw ater lev el mo nitor ing data, here w e analy zed the dynamic v ariat ion features of g ro undwater lev el in Xican City and studied its influence facto rs, such as pr ecipitatio n and exploitat ion in differ ent hydro geolog ical ar eas. The results show ed that the g roundw ater lev el in Xican Cit y w as o n the decline dur ing 1965~ 2010. The dynamic changes of gr ound2 w ater affected by precipitation mainly reflected in that g ro undwater level fell slow ly o r raised in wet years, but fell r apidly in dry year s; the incr eased ex ploitat ion of g roundw ater led to a dr op o f g roundw ater lev el, but under the same ex ploitatio n, the dr op amplitude o f gr oundw ater lev el in differ ent hydro geolog ical ar eas behav ed differently. Finally, ex ploitatio n is ident ified as the main influence factor s for changes of g ro undwater level by using g rey r elational analy sis.
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