Results of "Comparison of ice dynamics using full-Stokes and Blatter-Pattyn approximation: application to the Northeast Greenland Ice Stream"

<p>This archive provides ice sheet model output produced as part of the publication:</p> <p>R&uuml;ckamp, M., Kleiner, T., and Humbert, A.: Comparison of ice dynamics using full-Stokes and Blatter&ndash;Pattyn approximation: application to the Northeast Greenland Ice Stream, The Cryosphere, 16, 1675&ndash;1696, https://doi.org/10.5194/tc-16-1675-2022, 2022.</p> <p>About the data:<br> The archive contains 2 zipped tar-files for the two 2 different regions &#39;icestream&#39; and &#39;outlet&#39;. Each tar-file contains ascii files for the different conducted scenarios. An exemplary filename looks like:<br> FSvsBPlike_icestream_res12800m_E1_SlidingM1_isFS_P1P1GLS_BCstrong.txt</p> <p>&#39;FSvsBPlike&#39; indicates the general study<br> &#39;icestream&#39; indicates the region (either icestream or outlet)<br> &#39;res12800m&#39; indicates the horizontal resolution (ranges from 12800 to 100 meter)<br> &#39;E1&#39; indicates the enhancement factor used (available values E=0.1, 1, 3 and 6)<br> &#39;SlidingM1&#39; indicates the employed sliding exponent (available values m=1 and 3)<br> &#39;isFS&#39; indicates that the full-Stokes equation was employed (either isFS or isBPlike)<br> &#39;P1P1GLS&#39; describes the employed finite element discretization (either P1P1GLS or P2P1)<br> &#39;BCstrong&#39; indicates that the strong basal boundary implementation was used (either BCstrong or BCweak)<br> <br> An exemplary file structure looks as follows:<br> % Creation date:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 03-May-2022<br> % Institution:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; AWI (Bremerhaven-Germany), BADW (Munich-Germany)<br> % Correspondence: Martin Rueckamp (martin.rueckamp@badw.de), Angelika Humbert (angelika.humbert@awi.de)<br> % Source:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; COMSOL version 5.6 (www.comsol.com)<br> % Citation:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; R&uuml;ckamp et al. (2022): https://tc.copernicus.org/preprints/tc-2021-193/<br> % Projection:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; EPSG:3413 (proj4 string: +init=epsg:3413)<br> x(m) y(m) z_s(m) z_b(m) vx_s(m/a) vy_s(m/a) vz_s(m/a) p_s(Pa) vx_b(m/a) vy_b(m/a) vz_b(m/a) p_b(Pa)<br> &nbsp;301099.83&nbsp; -1256559.78 1840.83&nbsp; 205.40&nbsp; -0.031&nbsp;&nbsp; 0.028&nbsp; -5.456&nbsp; -157729.374&nbsp; -2.312&nbsp;&nbsp; 2.076&nbsp;&nbsp; 0.012 14684584.911<br> ...<br> <br> The fields x, y contain x- and y coordinates of the grid nodes in EPSG:3413 projection. The fields z_s and z_b are the ice surface and ice base, respectively. The fields vx, vy, and vz are the ice velocities in horizontal (x,y) and vertical (z) direction. The field p is the pressure. The subscripts _s and _b indicate the surface and ice base, respectively.</p>