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ecosystem    音标拼音: ['ikos,ɪstəm]

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  • Anthropogenic Human Influenced Ecosystems - NASA Earthdata
    Discover and Visualize Human Influenced Ecosystem Data NASA data help us understand Earth's changing systems in more detail than ever before, and visualizations bring these data to life, making Earth science concepts accessible, beautiful, and impactful
  • GEDI Lidar - NASA Earthdata
    The Global Ecosystem Dynamics Investigation (GEDI) instrument is a full-waveform lidar installed on the International Space Station that produces detailed observations of the 3D structure of Earth’s surface GEDI's three lasers precisely measure forest canopy height, canopy vertical structure, and surface elevation By accurately measuring forests in 3D, GEDI data play an important role in
  • VEMAP 2: Monthly Ecosystem Model Responses to U. S. Climate . . . - Earthdata
    The Vegetation-Ecosystem Modeling and Analysis Project (VEMAP) was a large, collaborative, multi-institutional, international effort whose goal was to evaluate the sensitivity of terrestrial ecosystem and vegetation processes to altered climate forcing and elevated atmospheric CO2 Phase 1 of the VEMAP project developed historical (1895-1993) data sets of observed climate, soils, and
  • CMS: Modeled Net Ecosystem Exchange at 3-hourly Time Steps . . . - Earthdata
    This data set provides global, gridded, model-derived net ecosystem exchange (NEE) of CO2 flux between the land and atmosphere at 3-hourly time steps over seven years (2004-2010) at three different spatial resolutions: 0 5 x 0 5 degree, 2 0 x 2 5 degrees, and 4 0 x 5 0 degrees (latitude longitude) The 3-hourly data were derived from monthly NEE outputs of 15 global land surface models and
  • CARVE: Ecosystem Scale CH4 Emission Derived from Aircraft . . . - Earthdata
    This dataset provides methane flux estimates derived from airborne measurements collected over Alaska and the western Yukon Territory during the Carbon in Arctic Reservoirs Vulnerability Experiment (CARVE) between 2012 and 2014 The state-scale methane fluxes were calculated using a combination of atmospheric profiles and lagrangian transport modeling The methane flux estimates were used in a
  • GEDI - NASA Earthdata
    NASA's Global Ecosystem Dynamics Investigation (GEDI) project focuses on how deforestation has contributed to atmospheric CO2 concentrations, how much carbon forests will absorb in the future, and how habitat degradation will affect global variability of life
  • Biodiversity Functions | NASA Earthdata
    The term "biodiversity" is used to describe the abundance and variety of life on Earth Having a diverse assemblage of plants, animals, and other organisms in a wide range of habitats promotes ecosystem productivity Thriving, diverse ecosystems help balance processes like nutrient storage and recycling, pollution filtration, and water resource maintenance In addition, diverse ecosystems trap
  • AirMOSS: L4 Daily Modeled Net Ecosystem Exchange (NEE . . . - Earthdata
    This data set provides Level 4 daily estimates of Net Ecosystem Exchange (NEE) of CO2 at a spatial resolution of 30 arc-seconds (~1 km) for seven of the sites covered by the Airborne Microwave Observatory of Subcanopy and Subsurface (AirMOSS) flights, each site spanning ~2500 km2 The daily NEE estimates are generally available from October 2012 through October 2014, although the exact time
  • ISLSCP II Ecosystem Rooting Depths - NASA Earthdata
    ISLSCP II Ecosystem Rooting DepthsThe goal of this study was to predict the global distribution of plant rooting depths based on data about global aboveground vegetation structure and climate Vertical root distributions influence the fluxes of water, carbon, and soil nutrients and the distribution and activities of soil fauna Roots transport nutrients and water upwards, but they are also





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