This ReadMe.txt file was generated on 20241030 by Bickel, Valentin Tertius ------------------- GENERAL INFORMATION ------------------- 1. Title of dataset: A Global Survey for Dust Devil Vortices on Mars using MRO Context Camera Images enabled by Neural Networks 2. Contributor information: Data creator Name: Bickel, Valentin Tertius Role/Function: Data creator Institution: Center for Space and Habitability, University of Bern Address: G6, Gesellschaftsstrasse 6, 3012 Bern, Switzerland Email: valentin.bickel@unibe.ch 3. Date of data collection: 2020 to 2024 4. Geographic location of data collection: Mars, ~90°N to ~90°S, ~180°W to ~180°E 5. Keywords describing the subject of your dataset: Mars; machine learning; dust devils; dust; weather; climate; CTX 6. Information about funding sources that supported the collection of the data: Funding agency name: Center for Space and Habitability, University of Bern ETH Zurich Google Cloud Research Credit Grant ------------------- SHARING/ACCESS INFORMATION ------------------- 1. Licenses/restrictions placed on the data: Attribution-NonCommercial-ShareAlike (CC BY-NC-SA 4.0) 2. Links to publications that cite or use the data: Conway*, S., Bickel*, V.T., Fenton, L., Patel, M., Carson, H., Blouin, A., Crevier, J., Blanc, E., Nguyen, B., Holmes, J., Jackson, B., Roelofs, L. (2025). A Global Survey for Dust Devil Vortices on Mars using MRO Context Camera images enabled by Neural Networks. The Planetary Science Journal - in press (https://doi.org/10.1016/j.pss.2025.106072). *both authors contributed equally (dual-first author) 3. Recommended citation for this dataset: Conway*, S., Bickel*, V.T., Fenton, L., Patel, M., Carson, H., Blouin, A., Crevier, J., Blanc, E., Nguyen, B., Holmes, J., Jackson, B., Roelofs, L. (2025). A Global Survey for Dust Devil Vortices on Mars using MRO Context Camera images enabled by Neural Networks. The Planetary Science Journal - in press (https://doi.org/10.1016/j.pss.2025.106072). *both authors contributed equally (dual-first author) --------------------- DATA & FILE OVERVIEW --------------------- 1. File List: Filename: Conway_Bickel_et_al_2025_devils_CT05.csv File format: .csv Short description: File with meta information about all dust devil detections. Filename: Conway_Bickel_et_al_2025_devils_CT05_thumbnails.zip File format: .zip, .tif Short description: Zipped archive of all .tif dust devil thumbnail images -------------------------- METHODOLOGICAL INFORMATION -------------------------- 1. Description of methods used for collection/generation of data: Supervised convolutional neural network (RetinaNet), see associated publication for details 2. Methods for processing the data: Neural network deployed on Mars Reconnaissance Orbiter CTX images, see associated publication for details 3. Describe any quality-assurance procedures performed on the data: Expert-based review of the dataset, see associated publication for details ----------------------------------------- DATA-SPECIFIC INFORMATION FOR: Conway_Bickel_et_al_2025_devils_CT05.csv ----------------------------------------- 1. Number of variables/columns: 30 2. Number of cases/rows: 13,409 3. Variable List: run_ID; CTX_ID; EarthDateTime; bbox_center_LON; bbox_center_LAT pg; bbox_center_LAT pc; bbox_upper_left_LON; bbox_upper_left_LAT; est_devil_diameter_meter; bbox_x_lengthpix; bbox_y_lengthpix; bbox_x_length_m; bbox_y_length_m; bbox_upper_left_x_img; bbox_upper_left_y_img; bbox_lower_right_x_img; bbox_lower_right_y_img; confidence; CTX_resolution; solar_longitude; emission_angle; incidence_angle; phase_angle; sub_solar_azimuth; sub_solar_longitude; sub_solar_latitude; sub_spacecraft_longitude; sub_spacecraft_latitude; local_Mars_time; thumbnail_ID 4. Variable description: internal detection ID; CTX image ID; observation Earth date and time; detection box center longitude (°, 180d); detection box center latitude (°, planetographic); detection box center latitude (°, planetocentric); detection box top left longitude (°); detection box top left latitude (°); estimated dust devil diameter (not calibrated, meter); x length of detection box (pixel); y length of detection box (pixel); x length of detection box (meter); y length of detection box (meter); detection box upper left x (pixel); detection box upper left y (pixel); detection box lower right x (pixel); detection box lower right y (pixel); CNN confidence (%); CTX image resolution (m/pixel); solar longitude (°); emission angle (°); solar incidence angle (°); solar phase angle (°); sub solar azimuth (°); sub solar longitude (°); sub solar latitude (°); sub spacecraft longitude (°); sub spacecraft latitude (°); local Mars time; .tif thumbnail ID