Daily ice cover fractions for 107,257 lakes in the Northern Hemisphere
This dataset provides estimated daily ice cover fractions for 107,257 lakes across the Northern Hemisphere from 1980 to 2022. The ice cover fractions were generated using a deep learning model trained on Landsat observations. The model's code is publicly available in the USGS GitLab repository: https://doi.org/10.5066/P13ZGUGE. The dataset consists of 42 CSV files, each corresponding to a single year. Each file contains daily ice cover fraction estimates for all lakes in that year and follows a consistent format. To facilitate data use, we created three descriptive tables of the dataset: 1) A_Dictionary_file_list.csv: Provides a description of each annual CSV file. 2) B_Dictionary_each_file.csv: Documents the structure and format shared by all CSV files. 3) C_List_of_lakes.csv: Lists lake IDs based on the HydroLAKES dataset (https://www.hydrosheds.org/products/hydrolakes). Users may consider regrouping the dataset by lake instead of year after it is downloaded for simpler data analysis.
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Complete Metadata
| accessLevel | public |
|---|---|
| bureauCode |
[ "010:12" ] |
| contactPoint |
{ "fn": "Xinchen He", "@type": "vcard:Contact", "hasEmail": "mailto:xinchenhe@umass.edu" } |
| description | This dataset provides estimated daily ice cover fractions for 107,257 lakes across the Northern Hemisphere from 1980 to 2022. The ice cover fractions were generated using a deep learning model trained on Landsat observations. The model's code is publicly available in the USGS GitLab repository: https://doi.org/10.5066/P13ZGUGE. The dataset consists of 42 CSV files, each corresponding to a single year. Each file contains daily ice cover fraction estimates for all lakes in that year and follows a consistent format. To facilitate data use, we created three descriptive tables of the dataset: 1) A_Dictionary_file_list.csv: Provides a description of each annual CSV file. 2) B_Dictionary_each_file.csv: Documents the structure and format shared by all CSV files. 3) C_List_of_lakes.csv: Lists lake IDs based on the HydroLAKES dataset (https://www.hydrosheds.org/products/hydrolakes). Users may consider regrouping the dataset by lake instead of year after it is downloaded for simpler data analysis. |
| distribution |
[ { "@type": "dcat:Distribution", "title": "Digital Data", "format": "XML", "accessURL": "https://doi.org/10.5066/P1VC2HTX", "mediaType": "application/http", "description": "Landing page for access to the data" }, { "@type": "dcat:Distribution", "title": "Original Metadata", "format": "XML", "mediaType": "text/xml", "description": "The metadata original format", "downloadURL": "https://data.usgs.gov/datacatalog/metadata/USGS.67c71ea0d34ea599a3b99e17.xml" } ] |
| identifier | http://datainventory.doi.gov/id/dataset/USGS_67c71ea0d34ea599a3b99e17 |
| keyword |
[ "USGS:67c71ea0d34ea599a3b99e17", "biota", "freshwater ecosystems", "mathematical modeling", "snow and ice cover" ] |
| modified | 2025-03-10T00:00:00Z |
| publisher |
{ "name": "U.S. Geological Survey", "@type": "org:Organization" } |
| spatial | -180.0000, 23.5000, 180.0000, 67.5000 |
| theme |
[ "geospatial" ] |
| title | Daily ice cover fractions for 107,257 lakes in the Northern Hemisphere |
