Monthly wind directional indices based on ships logbooks observations, NI
收藏DataONE2025-10-01 更新2025-11-22 收录
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资源简介：
SOURCES:
Daily data of wind direction over the English Channel based on direct marine observations derived from Royal Navy ships' logbooks (1685-1870) and ICOADS v3.0 (1750-2014) datasets.
DESCRIPTION:
The NI is the Directional Indices (DIs) that give a measure of the notherly flow. It is an instrumental-based monthly index defined as the proportion of notherly days per month (in % with respect to the total number of available days for each month)over the English Channel. […]
创建时间：
2025-11-13
