Subsurface time series of chlorophyll a, Bay of Calvi, Corsica, Mediterranean...

Water samples collected using a 2.5 l Niskin bottle; Filtration on GF/C filters; sampling time is local time.采用2.5升尼斯金采水器（Niskin bottle）采集水样；使用GF/C滤膜进行过滤处理；采样时间为当地时间。