Global Marine Environment Dataset (GMED)

The Global Marine Environment Datasets (GMED) is a compilation of publicly available climatic, biological and geophysical environmental layers featuring present, past and future environmental conditions. GMED covers the widest available range of environmental layers from a variety of sources and depths from the surface to the deepest part of the ocean. It has a uniform spatial extent, high-resolution land mask (to eliminate land areas in the marine regions), and high spatial resolution (5 arc-minute, c. 9.2 km near equator). The free online availability of GMED enables rapid map overlay of species of interest (e.g. endangered or invasive) against different environmental conditions of the past, present and the future, and expedites mapping distribution ranges of species using popular SDM algorithms. This archive features a snapshot of GMED dataset in 2019 as a single archive.

全球海洋环境数据集（Global Marine Environment Datasets，GMED）是一套收录公开可用的气候、生物及地球物理环境图层的合集，涵盖当前、过往与未来的海洋环境状况。GMED整合了源自多样数据源、覆盖从海洋表层至深海最深处全水层的各类环境图层，是现有可用环境图层品类最丰富的数据集之一。该数据集具备统一的空间覆盖范围，搭载高分辨率陆地区域掩码（用于剔除海洋区域内的陆地区域），且空间分辨率极高，为5弧分（赤道附近约合9.2公里）。GMED的免费在线获取渠道，支持研究人员快速将目标物种（如濒危物种或入侵物种）的分布与过往、当前及未来的不同环境条件进行图层叠加分析，并可借助主流的物种分布模型（Species Distribution Model，SDM）算法加速物种分布范围的绘制工作。本存档为2019年版GMED数据集的单文件快照版本。