ERA5 data for air density calculations in WAsP

This is the ERA5 dataset that can be used to calculate air density for wind energy purposes using the equations presented in https://doi.org/10.3390/en12112038. The NetCDF file contains mean fields of monthly means from 2010 to 2020 of the variable temperature, surface pressure, specific humidity and the lapse rate. The horizontal grid resolution is 0.25 degrees and covers the whole globe. These fields are used in the WAsP software version 12.6 and above to calculate the air density at specified heights above mean sea level. The WAsP software (www.wasp.dk) is the industry standard method to calculate the annual energy production of wind farms. The ERA5 data are generated using Copernicus Climate Change Service information [2020]本数据集为ERA5数据集，可依托https://doi.org/10.3390/en12112038中刊载的公式开展风能领域的空气密度计算。该NetCDF文件包含2010年至2020年的逐月平均场数据，涉及气温、表面气压、比湿及大气递减率四类变量。其水平网格分辨率为0.25度，覆盖全球全域。上述数据场可在WAsP软件12.6及以上版本中调用，用于计算平均海平面以上指定高度处的空气密度。WAsP软件（官网地址：www.wasp.dk）是风电行业计算风电场年发电量的主流标准方法。本ERA5数据集基于哥白尼气候变化服务局（Copernicus Climate Change Service）2020年的相关资料生成。