6 天之前 · Vegetation Cover is the percent of vegetation in an area. Definition source: Land and Ecosystem Degradation and Desertification

6 天之前 · The MODIS snow cover layer shows the presence of snow cover over land and water bodies as an index related to the presence of snow. It is based on a Normalized Difference …

2020年7月21日 · The 18-month span of the data set allowed assessment of leaf longevity over a full annual cycle. 1 km resolution of this sensor yields a derived data set that suffers much less …

6 天之前 · Some datasets cover a specific region, while others cover the entire land mass of Earth. This information helps researchers and policymakers tackle challenges related to land …

1992年1月1日 · The Central American Vegetation/Land Cover Classification and Conservation Status consists of GIS coverages of vegetation classes (forests, woodlands, savannas, …

2024年12月18日 · This layer maps vegetation disturbance, specifically vegetation cover loss, by pixel. Vegetation disturbance is mapped where there is an indicated decrease in vegetation …

5 天之前 · Vegetation indices measure the amount of green vegetation over a given area and can be used to assess vegetation health. NASA’s Earth-observing satellites collect several …

High resolution SAR (urban monitoring,; ice and snow, little penetration into vegetation cover; fast coherence decay in vegetated areas) C: 4–8 GHz: 7.5–3.8 cm: SAR Workhorse (global …

2025年1月1日 · Vegetation indices are used for global monitoring of vegetation conditions and are used in products displaying land cover and land cover changes. These data may be used as …

2024年2月5日 · This ABoVE dataset provides visible-near infrared spectral reflectance, descriptions of vegetation cover, surface temperature, the total fraction of absorbed …