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Data · dataset · 2026

Dataset of Chlorophyll-a Concentration Distribution in Lakes in Northeast China (2020)

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a.

Description

Data content (data file/table name, including the content of observation indicators) This dataset utilizes Sentinel-MSI imagery and a measured dataset of lake chlorophyll-a to construct a global lake (including reservoir) chlorophyll-a inversion model, and produces a dataset of lake chlorophyll-a in Northeast China for 2020, reflecting the distribution of lake and reservoir chlorophyll-a in Northeast China in 2020. It includes one shapefile file, which is vector data. b.

Construction purpose Conduct a quantitative study on the distribution characteristics of chlorophyll-a in lakes and reservoirs in Northeast China in 2020, establish a spatial distribution database of chlorophyll-a in lakes and reservoirs in Northeast China, and provide data support for the sustainable development of lake water resources. c. Service recipients It can be widely applied to managers of lakes, reservoirs, river basins, and environmental departments, as well as students and researchers engaged in lake hydrological studies. d.

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Time range of data 2020 e. Spatial scope of data Lakes in Northeast China with an area greater than 1 hectare f. Data projection method Geographic Coordinate System:GCS_WGS_1984 g.

Disciplinary scope of data Belonging to the scope of water environment remote sensing h. Amount of data The total data volume is approximately 43.6 GB

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Catalogue records · 1

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Inferred from text
Satellite remote sensing 65% · Tabular 65%
Provenance · 1 source records, 12 field assertions
SourceKeyLast seenRaw
ScienceDB10.57760/sciencedb.IGA.0150312 d agoJSON v1
FieldAssertionExtractorEvidence
access_levelsource · scidb cnconnector:scidb_cn@1.0.0
concepts[field].local:field:earth-environmentalmapping · scidb cnconnector:scidb_cn@1.0.0
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concepts[field].local:field:life-sciencesmapping · scidb cnconnector:scidb_cn@1.0.0
concepts[field].local:field:social-sciencemapping · scidb cnconnector:scidb_cn@1.0.0
concepts[modality].local:modality:remote-sensingenrichment · scidb cnkeyword-concept-rules@1.0.0title+description (65%)
concepts[modality].local:modality:tabularenrichment · scidb cnkeyword-concept-rules@1.0.0title+description (65%)
descriptionsource · scidb cnconnector:scidb_cn@1.0.0/metadata/dc/description
licensesource · scidb cnconnector:scidb_cn@1.0.0/metadata/dc/rights
publication_datesource · scidb cnconnector:scidb_cn@1.0.0
titlesource · scidb cnconnector:scidb_cn@1.0.0/metadata/dc/title