Tags: Ghub

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  1. GStatSim V1.0: a Python package for geostatistical interpolation and conditional simulation

    16 Oct 2023 | Contributor(s):: Emma MacKie

    GStatSim is a Python package specifically designed for geostatistical interpolation and simulation. These tools are part of our ongoing effort to develop and adapt open-access geostatistical functions.

  2. Code Demos for "Regression on Ice" Lecture Notes

    10 Oct 2023 | Contributor(s):: Noah J Bergam

    Notebooks with visualizations of some basic regression / machine learning concepts for glaciology

  3. Regression on Ice: Function approximation for the mathematically-inclined glaciologist

    17 Sep 2023 | Contributor(s):: Noah J Bergam

    Modern satellite-based analysis of the ice sheets presents a profound statistical-geometric problem: how do we make sense of scattered, noisy measurements of vast, steadily evolving surfaces like the Greenland and Antarctic ice sheets? In these lecture notes, I attempt to provide the...

  4. test

    28 Apr 2023 | Contributor(s):: Jason Briner

    test

  5. Briner presentation on "Seeking Interglacial Isotopes"

    27 Apr 2023 | Contributor(s):: Jason Briner

    nothing

  6. GIS layers of North America ice sheet history

    03 Oct 2022 | Contributor(s):: jason briner

    Included are ArcGIS shapefiles of North American ice sheet extent in 36 time slices spanning from 18,000 to 1,000 years ago.

  7. GIS layer of Greenland Ice Sheet bed available for sub-ice drilling

    15 Sep 2022 | Contributor(s):: jason briner

    This dataset includes several geographical-information-system (GIS, ArcGIS) shapefiles relating to this study:Briner, J.P., Walcott, C.K., Schaefer, J.M., Young, N.E., MacGregor, J.A., Poinar, K., Keisling, B.A., Anandakrishnan, S., Albert, M.R., Kuhl, T., Boeckmann, G. (submitted). Where to...

  8. An Open Source Tool for Visualizing ISM Intercomparisons

    14 Dec 2021 | Contributor(s):: Alex Becerra, sophie nowicki, Erika Simon

    This tool produces visualizations from Seroussi et al. (2020).

  9. CESM ISMIP6 Forcing Data

    20 Oct 2021 | | Contributor(s):: Kate Thayer-Calder, Gunter Leguy, William Lipscomb

    The Community Earth System Model (CESM) version 2.1 is a world-class coupled climate system model that includes components for the atmosphere, ocean, terrestrial system, river run-off, and fully active glaciers (Danabasoglu et al. 2020). This version of CESM was used in many experiments as part...

  10. ISMIP6 21st Century Antarctic Projections

    01 Oct 2021 | | Contributor(s):: sophie nowicki, Erika Simon, ISMIP6 Team

    This dataset provides the Antarctic ice sheet model output produced as part of the Ice Sheet Model Intercomparison Project for CMIP6 (ISMIP6, Eyring et al., 2016; Nowicki et al. 2016).  These simulations focus on 21st century evolution of the Antarctic ice sheet under...

  11. ISMIP6 21st Century Greenland Projections

    01 Oct 2021 | | Contributor(s):: sophie nowicki, Erika Simon, ISMIP6 team

    This dataset provides the Greenland ice sheet model output produced as part of the Ice Sheet Model Intercomparison Project for CMIP6 (ISMIP6, Eyring et al., 2016; Nowicki et al. 2016).  These simulations focus on 21st century evolution of the Greenland ice sheet under...

  12. ISMIP6 initMIP-Greenland simulations

    01 Oct 2021 | | Contributor(s):: sophie nowicki, Erika Simon, ISMIP6 team

    This dataset contains the initMIP-Greenland model simulations from the Ice Sheet Model Intercomparison Project for CMIP6 (ISMIP6). As described in Nowicki et al. (2016) and Goelzer et al. (2019), the initMIP-Greenland experiments focus on ice sheet initialization for the Greenland ice...

  13. ISMIP6 initMIP-Antarctica simulations

    01 Oct 2021 | | Contributor(s):: sophie nowicki, Erika Simon, ISMIP6 team

    This dataset contains the initMIP-Antarctica model simulations from the Ice Sheet Model Intercomparison Project for CMIP6 (ISMIP6). As described in Nowicki et al. (2016) and Seroussi et al. (2019), the initMIP-Antarctica experiments focus on ice sheet initialization for the Antarctic ice...

  14. ISMIP6 ABUMIP Simulations

    01 Oct 2021 | | Contributor(s):: sophie nowicki, Erika Simon, ISMIP6 Team

    These datasets contain the ice sheet model simulation from the ABUMIP (Antarctic BUttressing Model Intercomparison Project) effort. ABUMIP aims at comparing model responses to complete loss of buttressing by investigating the end-member of ice-shelf buttressing, i.e., the total loss...

  15. ISMIP6 21st Century Forcing Datasets

    01 Oct 2021 | | Contributor(s):: sophie nowicki, Erika Simon, ISMIP6 Team (contributor)

    These datasets contain the 21st century atmospheric and oceanic forcing datasets used for Greenland and Antarctic standalone ice sheet model simulations as part of the Ice Sheet Model Intercomparison Project for CMIP6 (ISMIP6). ISMIP6 is a targeted activity of the Climate and...

  16. ICESat, ERS1, ERS2, Envisat Laser and Radar Altimetry Datasets for the Cryosphere model Comparison Tool (CmCt) Input for Greenland and Antarctica

    29 Sep 2021 | | Contributor(s):: Erika Simon, Sophie Nowicki, Jack Saba, Tom Newman, Matthew Beckley

    These datasets contain the ICESat, ERS1, ERS2, Envisat Laser and Radar Altimetry Datasets for CmCt Input data for Greenland and Antarctica. These reference observational datasets are used in the CmCt to compare ice sheet models with. The ICESat/GLAS instrument was a lidar altimeter and the...

  17. IceBridge ATM L2 Icessn Elevation, Slope, and Roughness

    23 Sep 2021 | | Contributor(s):: Ash Narkevic, Ivan Parmuzin, Beata Maria Csatho, Greg Babonis

    This data set contains  IceBridge ATM L2 Icessn Elevation, Slope, and Roughness data  (Studinger, M. 2014, updated 2020) organized into individual flight lines, both in ascii and ArcGIS shape file formats.  The data were collected as part of NASA's...

  18. Approximation by Localized Penalized Splines (ALPS)

    22 Sep 2021 | | Contributor(s):: Prashant Shekhar, Abani Patra

    Approximation by Localized Penalized Splines (ALPS)

  19. Mass Balance and Velocity Data for Greenland Ice Sheet at High Elevations

    17 Sep 2021 | | Contributor(s):: Beata Maria Csatho, Ash Narkevic, Ivan Parmuzin

    This is an estimation of mass balance of the Greenland Ice Sheet at higher elevations, computed as the difference between the estimated annual total snow accumulation and ice discharge. Measurements are taken at 161 stations located 30 km apart, at 2000 m elevation that circumnavigates Greenland....

  20. Greenland Surface Strain Rates & Stresses

    15 Sep 2021 | | Contributor(s):: Kristin Poinar

    These datasets are 2D principal strain rates and principal stresses across the surface of the Greenland Ice Sheet.We started with representative surface velocities over a 20-year period (Joughin et al., 2016). We smoothed the velocities with a 1 km × 1 km boxcar filter, which carries...