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针对2016年4月浙江省地理选考试题中“全球气候变暖可能导致大陆海岸线变短”这一结论,以澳大利亚大陆为研究对象,利用ArcGIS工具和ETOP01数据(网格化地形数据)进行模拟分析,结果表明当变幅在-60米~140米区间内,不论海平面升降,澳大利亚大陆的海岸线长度都将增长,这充分表明了地理问题的复杂性。
According to the conclusion that the test of geography selection in Zhejiang Province in April 2016 “global warming may lead to shortening of the mainland coastline”, taking the Australian mainland as the research object, using ArcGIS tools and ETOP01 data (gridded topographic data) The simulation results show that when the amplitude is in the range of -60m ~ 140m, the coastline length of the Australian continent will increase regardless of the sea level rise and fall, which fully shows the complexity of the geographical issue.