Data format - xiyutailang1101/Freeze-thaw_SMAP_ASCAT GitHub Wiki
Point measurement h5
ascat/xxxx (xxxx:year, such as 2016). 3*N array: 0 time in secs, 1 sigma0, 2 theta
npr/xxxx. 2N24 hour array: 0 time in secs, 1 npr
air_temperature: /xxxx, 2*N array; /label: 'A T observed' or 'A T averaged'
snow: /xxxx, 2*N array; /label: 'Snow Water Equivalent' or 'Snow Depth'
ascat_original_angle