CMEMS全球海洋涡旋再分析数据集

GLORYS12V1产品是CMEMS全球海洋涡旋分辨率(1/12°水平分辨率，50个垂直水平)再分析，覆盖高度(1993年以后)。

它在很大程度上是基于当前的实时全球预报CMEMS系统。模型组件是近年来ECMWF ERA-Interim和ERA5再分析在地面驱动的NEMO平台。用降阶卡尔曼滤波对观测结果进行同化。沿航迹高度计资料(海平面异常)、卫星海表温度、海冰浓度和现场温度和盐度垂直剖面共同同化。此外，3D-VAR方案为温度和盐度缓慢演变的大尺度偏差提供了校正。

该产品包括从上到下的温度、盐度、洋流、海平面、混合层深度和冰参数的每日和每月平均文件。全球海洋输出文件显示在1/12°(约8公里)的标准规则网格上，并在50个标准水平上显示。

The GLORYS12V1 product is a CMEMS global ocean eddy-resolving reanalysis dataset with a 1/12° horizontal resolution and 50 vertical levels, covering sea level height data from 1993 onwards.

This product is largely based on the current real-time global forecasting CMEMS system. The model is implemented on the NEMO platform, and forced by the ECMWF ERA-Interim and ERA5 reanalysis datasets from recent years. Observations are assimilated using the reduced-order Kalman filter. Along-track altimeter data (sea level anomaly), satellite sea surface temperature, sea ice concentration, and in-situ vertical profiles of temperature and salinity are jointly assimilated. Additionally, the 3D-VAR scheme provides corrections for slowly evolving large-scale biases in temperature and salinity.

This product includes daily and monthly averaged files of temperature, salinity, ocean currents, sea level, mixed layer depth, and sea ice parameters from the surface to the deep ocean. The global ocean output files are formatted on a standard regular grid of 1/12° (approximately 8 km) with 50 standard vertical levels.

搜集汇总

背景与挑战

背景概述

该数据集是CMEMS全球海洋涡旋再分析数据集（GLORYS12V1产品），提供全球海洋的高分辨率（1/12°，约8公里）再分析数据，覆盖2009年至2019年，包含温度、盐度、洋流等参数的每日和每月平均值。它基于NEMO平台，同化了多种卫星和现场观测数据，适用于物理海洋学研究，并由中国科学院相关项目资助，数据完全共享。