Trend analysis of lake dynamics from Landsat time-series 1999-2014, Alaska North Slope, Alaska (US)

Nitze, Ingmar; Grosse, Guido; Jones, Benjamin M.; Arp, Chistopher D.; Ulrich, Mathias; Fedorov, Alexander N.; Veremeeva, Alexandra

The dataset was created with a methodology based on machine-learning based classification of robust trends of multi-spectral indices of Landsat data (TM,ETM+, OLI) and object-based lake detection, to analyze and compare the individual, local and regional lake dynamics of four different study sites: Alaska North Slope (NSL), Kobuk-Selawik-Lowlands Western Alaska (AKS), Central Yakutia (CYA) and Kolyma Lowland (KOL) in the northern permafrost zone from the years 1999 to 2014. The data publication provides geospatial polygon and point vector files (ESRI Shapefile or GeoJSON) and raster layer for every study site. The polygon layer contains the boundaries and the point layer the centroid of each detected lake object. The raster layer shows the net lake area change in ha within grid cells of 3 x 3 km.

Detailed information about the methods can be found in the publication to which this dataset is a supplement.

Citation

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Contact

Nitze, Ingmar

Metadata Access

DCAT in RDF/XML-Format

DCAT in Turtle-Format

DCAT in JSON-LD-Format

APGC Dataset Metadata in JSON-Format

Data and Resources

Additional Info

Field Value
Identifier DOI:10.1594/PANGAEA.876553
Project(s) ERC PETA-CARB
Institute AWI Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research
Source https://doi.org/10.1594/PANGAEA.876553
Publication Date 2017-06-22
Version 1.0
Product group
Product Lake Dynamics
Sensor Landsat
Files
  • polygon geojson file lake change
  • polygon shapefile lake change
  • point geojson file lake change centroid
  • point shapefile lake change centroid
  • geotiff net lake area change
Variables [Units]
  • area_T0: calculated water surface area at the start of observation (1999)
  • area_T1: calculated water surface area at the end of observation (2014)
  • net-ch_ha: net change of water surface area in ha
  • C-LW_ha: gross water surface increase in ha
  • C-WL_ha: gross water surface decrease in ha
  • S-W_ha: stable water surface area in ha
  • net lake area change in ha (within grid cells of 3 x 3 km)
Region Alaska North Slope
Spatial Reference EPSG:32605 WGS 84 / UTM zone 5N
Spatial Resolution 30 m, 3000 m
Spatial Coverage Latitude 69.56 to 71.47, Longitude -156.38 to -149.62
Temporal Coverage 1999 to 2014
Temporal Resolution
Format Shapefile, Geojson, Geotiff
Is Supplement to Nitze, Ingmar; Grosse, Guido; Jones, Benjamin; Arp, Chistopher D; Ulrich, Mathias; Fedorov, Alexander N; Veremeeva, Alexandra (2017): Landsat-Based Trend Analysis of Lake Dynamics across Northern Permafrost Regions. Remote Sensing, 9(7), 640, https://doi.org/10.3390/rs9070640

Dataset extent

Map data © OpenStreetMap contributors