Daymet

Daymet是一个提供长期、连续、网格化天气和气候变量估算的数据库，通过统计建模技术对地面观测数据进行插值和 extrapolation。该数据库提供1公里×1公里网格的每日最低和最高温度、降水、水汽压、短波辐射、雪水当量和日长等数据，覆盖北美大陆和夏威夷（1980年起）以及波多黎各（1950年起）。Daymet是橡树岭国家实验室环境科学部的研究产品，支持生物地球化学陆地建模和地球科学、自然资源、生物多样性和农业研究。Daymet is a database providing long-term, continuous gridded estimates of weather and climate variables, which is developed by interpolating and extrapolating ground-based observational data through statistical modeling techniques. This database offers data including daily minimum and maximum temperatures, precipitation, water vapor pressure, shortwave radiation, snow water equivalent, and daylength at a 1 km × 1 km grid resolution, covering continental North America, Hawaii (since 1980), and Puerto Rico (since 1950). Daymet is a research product developed by the Department of Environmental Sciences at Oak Ridge National Laboratory, supporting biogeochemical terrestrial modeling and research in earth sciences, natural resources, biodiversity, and agricultural studies.