National Snow and Ice Data Center

Through a unique combination of data management and scientific research, NSIDC enables scientists, educators, students, journalists and many others to better understand the cryosphere, why it’s important and how it’s changing. Key areas of NSIDC expertise include: Stewardship and free distribution of scientific data from a broad range of sources including Earth-observing satellites, airborne remote sensing campaigns, field studies and historical observations. Research studies of polar regions, the cryosphere and related climate processes. Scientific analysis and insights on how regions of the cryosphere are changing, as well as educational content about what the cryosphere is and why it matters. Creating software tools to access and work with data as well as providing robust user support to the NSIDC data user community.

国家冰雪数据中心（NSIDC）提供数百个科学数据集，致力于研究冰冻圈及其相互作用。数据源自卫星监测与实地观测，所有数据均免费提供。