搜索结果: 1-1 共查到“地球科学总论 long-term monitoring”相关记录1条 . 查询时间(0.214 秒)
Importance of long-term monitoring for detecting environmental change:lessons from a lowland river in south east England
long-term monitoring environmental change lowland river south east England
2010/1/18
Rising nitrate concentrations in rivers and groundwater in regions with intensive agriculture have been of concern for several decades. Long records of nitrate concentration are rare; in the UK, few p...