Daily ocean bottom pressure anomalies 2007-2009 from global numerical models

Data supplement to: Schindelegger, M., Harker, A. A., Ponte, R. M., Dobslaw, H., &amp; Salstein, D. A. (2021). Convergence of daily GRACE solutions and models of submonthly ocean bottom pressure variability. <em>Journal of Geophysical Research: Oceans</em>, 126, e2020JC017031. https://doi.org/10.1029/2020JC017031 <strong>Contents:</strong> Daily ocean bottom pressure anomalies over 2007-2009 obtained from two global forward simulations: <strong>DEBOT</strong> (<em>David Einspigel Barotropic Ocean Tide Model</em>): 1/3° horizontal grid spacing, single-layer model <strong>MITgcm LLC270</strong> (<em>Massachusetts Institute of Technology general circulation model, Lat-Lon-Cap 270</em>): nominal 1/3° horizontal grid spacing, 50 vertical layers Common specifications: Yearly files (<em>yyyy</em>) for each model run (<em>DEBOT_OBP_n180_yyyy.nc</em>, <em>LLC270_OBP_n180_yyyy.nc</em>) Temporal mean 2007-2009 reduced Daily fields centered at 12 UTC Units: cm of equivalent water height Data given on regular 1° grid Synthesized from spherical harmonic expansion truncated at degree 180 (<em>n180</em>) Degree 1 terms: included Static atmospheric contribution to bottom pressure: included Atmospheric forcing: ERA-Interim (6-hourly) Contact: M. Schindelegger ([e-mail])本数据集为以下研究的补充数据：Schindelegger, M.、Harker, A. A.、Ponte, R. M.、Dobslaw, H. 与 Salstein, D. A.（2021）。《逐日GRACE（Gravity Recovery and Climate Experiment）解与次月尺度洋底压力变率模拟结果的收敛性》。*Journal of Geophysical Research: Oceans*（《地球物理学研究杂志：海洋》），126卷，e2020JC017031。DOI: 10.1029/2020JC017031 **数据集内容**：2007年至2009年的逐日洋底压力距平数据，源自两套全球正向模拟： 1. **DEBOT（David Einspigel Barotropic Ocean Tide Model）**：水平网格分辨率为1/3°的单层海洋模型 2. **MITgcm LLC270（Massachusetts Institute of Technology general circulation model, Lat-Lon-Cap 270）**：标称水平网格分辨率1/3°，包含50个垂直层 **通用设置规范**： - 按年份分文件存储，文件名格式为`DEBOT_OBP_n180_yyyy.nc`与`LLC270_OBP_n180_yyyy.nc`（其中`yyyy`代表对应年份） - 已扣除2007-2009年的时间平均场 - 逐日数据的时间基准为世界协调时12点 - 单位：厘米等效水高（cm of equivalent water height） - 数据基于规则1°网格分布，由截断至180阶（标记为`n180`）的球谐展开合成 - 包含1阶球谐项 - 包含静力学大气对洋底压力的贡献 - 大气强迫数据取自ERA-Interim再分析资料（6小时分辨率） - 数据联系人：M. Schindelegger（邮箱：[e-mail]）