Dataset name: Top 3m Northern Circumpolar Soil Carbon Database V2.2 (NCSCDv22) Variable names: NCSCDv22 Reference of original data: Hugelius G., Bockheim J.G., Camill P., Elberling B., Grosse G., Harden J.W., Johnson K., Jorgenson T., Koven C.D., Kuhry P., Michaelson G., Mishra U., Palmtag J., Ping C.-L., O'Donnell J., Schirrmeister L., Schuur E.A.G., Sheng Y., Smith L.C., Strauss J. and Yu Z.: A new data set for estimating organic carbon storage to 3 m depth in soils of the northern circumpolar permafrost region. Earth System Science Data, Vol 5, pp. 393–402 (2013). DOI:10.5194/essd-5-393-2013 Downloaded site: personal exchange Downloaded Date: Apr. 16, 2015 Downloaded by: Mingquan Mu Earth System Science, University of California, Irvine Name and version of original source: NCSCDv22 Start date: annual End date: annual Temporal resolution: yearly Spatial resolution: 0.5x0.5 degree Unit: 0.1 Kg C /m2 Data format: netCDF