GLEAM dataset（Global Land Evaporation Amsterdam Model dataset）

全球土地蒸发阿姆斯特丹模型 (GLEAM) 是一组算法，分别估计土地蒸发 (通常称为 “蒸散”) 的不同组成部分: 蒸腾作用，裸露土壤蒸发，截留损失，开放水蒸发和升华。此外，GLEAM提供了表面和根区土壤水分，潜在的蒸发和蒸发应力条件。
该方法的基本原理是最大限度地恢复当前卫星对气候和环境变量的观测中包含的蒸发信息。

The Global Land Evaporation Amsterdam Model (GLEAM) is a suite of algorithms that separately estimates the distinct components of land evaporation, often referred to as "evapotranspiration": transpiration, bare soil evaporation, interception loss, open water evaporation, and sublimation. In addition, GLEAM provides surface and root-zone soil moisture, potential evaporation, and evaporative stress conditions. The core principle of this methodology is to maximally recover the evaporation information contained in current satellite observations of climatic and environmental variables.

搜集汇总

背景与挑战

背景概述

GLEAM数据集通过算法估算全球陆地蒸发的多个组成部分，包括蒸腾、土壤蒸发和截留损失等，并基于卫星观测数据恢复蒸发信息。该数据集由多所大学于2017年发布，提供地表和根区土壤水分等相关变量。