TY - JOUR A1 - Estilow, T. W. A1 - Young, A. H. A1 - Robinson, D. A. T1 - A long-term Northern Hemisphere snow cover extent data record for climate studies and monitoring JO - Earth Syst. Sci. Data J1 - ESSD VL - 7 IS - 1 SP - 137 EP - 142 Y1 - 2015/06/18 PB - Copernicus Publications SN - 1866-3516 UR - https://essd.copernicus.org/articles/7/137/2015/ L1 - https://essd.copernicus.org/articles/7/137/2015/essd-7-137-2015.pdf DO - 10.5194/essd-7-137-2015 ER -