4km Event Column and Surface CAMx modeling

<p><strong>Description of dataset&nbsp;</strong></p><p>Eagle Ford Shale CH4 and CO2 emissions (10.5281/zenodo.10278516)</p><ol><li>Filename: Eagle Ford Shale CH4 and CO2 emissions 11Sep2023.xslx</li><li>Description: CH4 and CO2 emissions at well-level, gathering-level and plant-level</li><li>Processing step: both CH4 and CO2 emissions are processed into a gridded format using SMOKE, with no temporal variations.</li></ol><p>CAMx gridded outputs</p><ol><li>Domain definition (GRIDDESC)</li></ol><p>'LAM_40N97W'</p><p>&nbsp;2&nbsp; &nbsp; &nbsp; &nbsp;33.000&nbsp; &nbsp; &nbsp; &nbsp; 45.000&nbsp; &nbsp; &nbsp; &nbsp;-97.000&nbsp; &nbsp; &nbsp; &nbsp;-97.000&nbsp; &nbsp; &nbsp; &nbsp; 40.000</p><p>'txs_4km'</p><p>'LAM_40N97W'&nbsp; -324000.000&nbsp;-1584000.000&nbsp; 4000.000&nbsp; 4000.000&nbsp;189 234&nbsp; &nbsp;1</p><p>'txs_133km'</p><p>'LAM_40N97W'&nbsp; -324000.000&nbsp;-1476000.000&nbsp; 1333.333&nbsp; 1333.333&nbsp;378 459&nbsp; &nbsp;1</p><ol><li>CAMx configurations:</li><li>Version 7.10</li><li>Simulation time period: 2019 April 1st – October 31st (with a 15-day spin-up)</li><li>Chemistry turned off</li><li>Zero initial and boundary concentration of CH4/CO2</li><li>Output:</li></ol><p>Gridded surface concentration and column concentration are provided in the following folder structure:&nbsp;</p><ul><li>domain/scenario/surface for surface concentration</li><li>domain/scenario/column for column concentration.</li></ul><p>Two domains are available: txs_4km and txs_133km. There are ten sets of scenarios for each domain:</p><ul><li>base: routine CO2/CH4 emissions (<i>10.5281/zenodo.10278516</i>)</li><li>Event Scenarios 1.33km: <i>10.5281/zenodo.10261056</i>; <strong>4km: </strong><i><strong>10.5281/zenodo.10255627</strong></i></li><li>low_100kg/1000kg: 100/1000 kg/hr emission event added with low routine emissions</li><li>med_100kg/1000kg: 100/1000 kg/hr emission event added with medium routine emissions</li><li>high_100kg/1000kg: 100/1000 kg/hr emission event added with high routine emissions</li><li>nearby_low/med/high: 100/1000kg/hr emission events added at nearby locations</li></ul><p>For example, files under 'txs_4km/base/surface' represent hourly gridded surface CH4/CO2 concentration (ppmv) with a spatial resolution of 4km x 4km. Similarly, files under 'txs_13km/nearby_high/column' represent hourly gridded CH4 column concentration (mol/m2) with a spatial resolution of 4km x 4km under scenario 'nearby_high'.</p>