https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf 23.7 2026-04-15T10:53:30.610Z https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/bca1b724-3370-4a26-bcbc-3530ce4ddc97 LEAF CHARACTERISTICS Date=2016-06-15 User Id=gee-cee Entity=Definition Operation=UPDATE Field=text System Note=update Definition Old Value=Leaf characteristics include the Global Change Master Directory detailed variables under the variable, Leaf Characteristics: leaf angle, leaf area, leaf area index, leaf carbon dioxide flux, leaf chemistry, leaf litter, leaf optical properties, leaf osmotic potential, leaf photosynthetic flux, leaf reflectance, leaf resistance, leaf respiratory flux, leaf stomatal conductance, leaf transmittance, leaf water potential, and leaf wetness. New Value=Pertain to the general characteristics of leaves including leaf structure, arrangement, leaf shape, and leaf margin. Date=2016-06-15 User Id=gee-cee Entity=NarrowerRelation Operation=INSERT User Note=Insert Concept System Note=add narrower relation New Value=LEAF CHARACTERISTICS [bca1b724-3370-4a26-bcbc-3530ce4ddc97,84857] - LEAF AREA INDEX (LAI) [f829171e-8b22-4f93-8f71-7932dfd7a70b,188281] Date=2016-06-15 User Id=gee-cee Entity=Definition Operation=UPDATE Field=reference System Note=update Definition New Value=Colorado State University Pertain to the general characteristics of leaves including leaf structure, arrangement, leaf shape, and leaf margin. 2016-06-15 08:53:50.0