射出长波辐射

OLR(outgoing longwave radiation)是指地球大气系统在大气顶向外空辐射出去的热辐射通量密度，其大小由发射下垫面的温度以及其上大气柱的垂直温度和吸收气体含量所决定，由红外通道 8、9、11、14、16 辐射率经由一个非线性反演模式计算得到。卫星的射出长波辐射产品，时间频率10分钟，空间分辨率2km。

OLR (Outgoing Longwave Radiation) refers to the thermal radiation flux density emitted outward to space by the Earth's atmospheric system at the top of the atmosphere. Its magnitude is determined by the temperature of the underlying emitting surface, as well as the vertical temperature profile and the content of absorbing gases in the atmospheric column above it. It is calculated using a nonlinear inversion model based on the radiances measured by infrared channels 8, 9, 11, 14 and 16. The satellite-derived outgoing longwave radiation product has a temporal resolution of 10 minutes and a spatial resolution of 2 km.

搜集汇总

背景与挑战

背景概述

该数据集提供卫星测量的射出长波辐射（OLR）数据，时间频率为10分钟，空间分辨率为2km。数据通过红外通道8、9、11、14、16的辐射率经由非线性反演模式计算得到，适用于研究地球大气系统的热辐射通量密度。