Icarus

ISSN: 0019--1035
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Datasets associated with articles published in Icarus
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  • Each FITS file contains spectra used and the thermal and abundances profiles (C2H2, C2H4, C2H6, CH3CCH, C3H8, C4H2, C6H6, CO2, HCN, HC3N) for a given observation sequence (the FITS file name). The FITS file contains also the NESR (Noise Equivalent Spectral Radiance) used in the study. We add a README.txt file to help the user to extract the information contains in the FITS file with an IDL or Python environment.
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  • All CRISM spectra from plots are stored in an Excel worksheet. Includes ratio spectra as shown in figures as well as original reflectance spectra and alternative ratio spectra. Mosaics of Jezero CRISM RGB combinations over CTX basemaps are included at various zooms and resolutions, as used in figures.
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    • Tabular Data
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  • see readme.docx
    Data Types:
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    • Image
    • Tabular Data
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  • The three figures were uploaded with the submission. All are derived from publicly available full resolution versions of the two HiRISE images described in the text: PSP_002721_2210 and ESP_016801_1300. Figures 1 and 3 have been subsampled from the original resolution in order to show a broader section of the Martian surface than could be done a full resolution. Figure 2 is a full resolution, to show the detail available in the original data.
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  • Labeled figures derived from original HiRISE images, as described in the text
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  • M122353240LC-crop-flip-contrast.png is part of LROC NAC image M122353240LC which has been cropped, flipped in the vertical direction to place north near the top, and contrast-stretched. It has been extended on the western (left) side to create space for part of the mapped data which falls just outside the image. M122353240LC-map-overlay.png is the same image as M122353240LC-crop-flip-contrast.png with an overlay showing dark streaks apparently associated with the Apollo 12 Lunar Module Ascent Stage impact. The streaks were visually identified on a contrast-enhanced version of the image and on versions processed by merging with an image having opposite illumination as described in the text. A small extension of the streak map outside the area of image M122353240LC was added by registering adjacent images to the geometry of M122353240LC, not shown here.
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  • This image was produced by merging parts of two LROC NAC images, M129431676LC and M122353240RC, which show the linear field of streaks we describe in the paper. The images have approximately opposite illumination (morning and afternoon) so shadows and highlights caused by topography roughly cancel each other and albedo variations are enhanced. The contrast was then greatly enhanced to emphasize the pattern of streaks. The putative impact site is visible at the right edge. North is approximately at the top in this image, which may be compared with Figure 1 for location and orientation. Figure 1C is a crop of a small atrea of this image. The topographic shading does not cancel exactly so craters are still visible, allowing this image to be georeferenced if desired. As presented the image is not georeferenced.
    Data Types:
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  • gale2_1mded.tif = Digital elevation model of the study area. PSP_001422_1750_RED.jp2 = Full-resolution HiRISE image of the study area. PSP_001422_1750_REDmos_hijitreged_o1m.j2k = 1m scale ortho image. *.tfw files are "world files" containing map projection information.
    Data Types:
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    • Software/Code
    • Image
    • Dataset