Improved 8-day version 6.1 Terra–Aqua MODIS cloud-free snow cover and Randolph Glacier Inventory 6.0 product for high-mountain Asia between 2002 and 2022

The product contains improved MODIS 8-day Terra (MOD10A2) and Aqua (MYD10A2) collection 6.1 snow-cover composite product merged with Randolph Glacier Inventory (RGI6.0). The product is generated using MODIS Terra and Aqua 8-day snow cover products MOD10A2 and MYD10A2 collection 6.1 (C61), respectively. The data covers High Mountain Asia (HMA) covering latitude 24.32 − 49.19 N and Longitude 58.22 − 122.48 E. The data is available with eight-day temporal resolution and 500 m spatial resolution covering the period between 2002 and 2022. The name of the product is derived from MODIS Terra (MOD) MODIS Aqua (MYD), and Glacier (GL), Version 6.1 (61) as M*D10A2V61GL. The product is described in ordinal date and each year has 46 eight-day composite images in GeoTIFF file format. The data is described by the values 25, 50, 198, 199, 200, 238, 239, 240, 242, 248, 249, 250, and 252. Following is the description of values in the improved combined snow product 25: No Snow classes 50: Cloud 198: Snow only in Terra 199: Snow only in Aqua 200: Snow in both Terra and Aqua 238: Debris-covered ice with Terra Snow 239: Debris-covered ice with Aqua Snow 240: Exposed debris-covered ice 242: Debris-covered ice with Snow in both Terra and Aqua 248: Debris-free ice with Terra Snow 249: Debris-free ice with Aqua Snow 250: Exposed debris-free ice 252: Debris-free ice with snow in both Terra and Aqua.