LIS/OTD 2.5 Degree Low Resolution Annual Climatology (LRAC) V2.3.2015

The LIS/OTD 2.5 Degree Low Resolution Annual Climatology (LRAC) contains a variety of gridded climatologies of total lightning flash rates obtained from two lightning detection sensors - the spaceborne Optical Transient Detector (OTD) on Orbview-1 and the Lightning Imaging Sensor (LIS) onboard the Tropical Rainfall Measuring Mission (TRMM) satellite. The long LIS (equatorward of about 38 degree) record makes the merged climatology most robust in the tropics and subtropics, while the high latitude data is entirely from OTD. The LRAC dataset include annual flash rate climatology data including raw and scaled flashes on a 2.5 degree grid in HDF and netCDF-4 format.

LIS/OTD 2.5度低分辨率年气候学数据集（LRAC）囊括了由两种雷电探测传感器获取的总雷电闪光率栅格气候学数据，这两种传感器分别为搭载于Orbview-1卫星的太空光学瞬变探测器（OTD）和搭载于热带降雨测量任务（TRMM）卫星上的雷电成像传感器（LIS）。其中，长周期LIS（赤道附近约38度以内）的记录使得合并后的气候学数据在热带和亚热带地区尤为稳健，而高纬度数据则完全由OTD提供。LRAC数据集包括年度闪光率气候学数据，涵盖原始和缩放后的闪光，并以2.5度网格形式存储于HDF和netCDF-4格式中。