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Taking ICESat-2 to the mountains: a workflow using satellite laser altimetry to resolve topography over complex terrain

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Topohack

Taking ICESat-2 to the mountains: a workflow using satellite laser altimetry to resolve topography over complex terrain

General Objective

Compare and evaluate ICESat-2 data with high resolution DEMs (airborne lidar/satellite stereo) collected at lower latitudes over bare ground.

Collaborators

Vibhor Agarwal
Michelle Hu
Friedrich Knuth
HP Marshall
Justin Pflug
Mariama Dryak
Will Kochtitzky

Team Lead:

Shashank Bhushan

Data Science Leads:

Joachim Meyer
Amy Steicker

Datasets

Validation Datasets

Tools

High-level Goals

  • Learn how to download the ICESat-2 data by lat lon bounding box
  • Create library with some basic convenience functions
  • Explore OpenAltimetry and utility with multiple locations and time periods
  • Explore ATL03 and ATL06 products and theoretical basis
  • Learn how to subset ATL03 and ATL06 data based on flags
  • Intersect ICESat-2 tracks with RGI glacier polygons to get a sense of bare ground coverage near glaciers.
  • Evaluate/Compare the topography resolved by ICESat-2 profiles along steep mountains with topographic profiles returned from high-resolution DEMs.
  • Get a sense of snow accumulation (depth) by comparing Snow-off DEM over Grand Mesa with winter (October to February) IceSat-2 collects.
  • Create notebook that shows how to pull all cloud-free data for entire mission for target area bounding box.

Study Sites:

  • Dependent on ICESat-2 coverage.
  • Potential study sites: Cascades and Olympic Ranges (western WA), Rocky Mountains (CO), High Mountain Asia, Grand Mesa (CO)

Team Wiki

Further information can be found on our team wiki page

Test Drive

To launch this repository on a Pangeo Binder instance and try out topolib using the examples under notebooks/, click here: Binder

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Taking ICESat-2 to the mountains: a workflow using satellite laser altimetry to resolve topography over complex terrain

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