Daily cloudless MODIS snow albedo dataset of Babaohe River basin (2008-2014)

The proportion data set of daily cloudless MODIS snow cover area in babaohe river basin (2008.1.1-2014.6.1) was obtained after cloud removal processing using a cloud removal algorithm based on cubic spline function interpolation on the basis of daily cloudless MODIS snow cover product-mod10a1 (tang zhiguang, 2013).This data set adopts the projection method of UTM (horizontal axis isometric cutting cylinder), with a spatial resolution of 500m, and provides Daily Snow Albedo daily-sad results for the babao river basin.The data set is a daily file from January 1, 2008 to June 1, 2014.Each file is the snow albedo result of the day, with a value of 0-100 (%), is the ENVI standard file, and the naming rule is: mod10a1.ayyyyddd_h25v05_snow_sad_grid_2d_reproj_babaohe_nocloud.img, where YYYY represents the year,DDD stands for Julian day (001-365/366).The file can be opened directly with ENVI or ARCMAP software.The original MODIS snow cover data products processed by declouding are derived from MOD10A1 products processed by the us national snow and ice data center (NSIDC). This data set is in HDF format and USES sinusoidal projection.The attributes of the cloud-free MODIS albedo data set (2008.1.1-2014.1.1) in babaohe river basin are composed of the spatial and temporal resolution, projection information and data format of the dataset.

本数据集为巴巴俄河流域每日无云MODIS雪覆盖面积比例数据集（2008年1月1日至2014年6月1日），经基于立方样条函数插值的云去除算法处理而得，该算法以每日无云MODIS雪覆盖产品-mod10a1（唐志光，2013）为基础。该数据集采用UTM投影方法（水平轴等角切割圆柱投影），空间分辨率为500米，并为巴巴俄河流域提供每日雪反照率（daily-sad）结果。数据集为2008年1月1日至2014年6月1日的每日文件，每个文件为当日的雪反照率结果，取值范围为0-100%（百分比），为ENVI标准文件，命名规则为：mod10a1.ayyyyddd_h25v05_snow_sad_grid_2d_reproj_babaohe_nocloud.img，其中YYYY代表年份，DDD表示儒略日（001-365/366）。文件可直接用ENVI或ARCMAP软件打开。经去云处理的原始MODIS雪覆盖数据产品源自美国国家冰雪数据中心（NSIDC）处理的MOD10A1产品。本数据集采用HDF格式，并使用正弦投影。巴巴俄河流域无云MODIS反照率数据集（2008年1月1日至2014年1月1日）的属性包括空间和时间分辨率、投影信息及数据格式。