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Potential and Limitation of PlanetScope Images for 2-D and 3-D Earth Surface Monitoring With Example of Applications to Glaciers and Earthquakes

Aati, Saif and Avouac, Jean-Philippe and Rupnik, Ewelina and Deseilligny, Marc-Pierrot (2022) Potential and Limitation of PlanetScope Images for 2-D and 3-D Earth Surface Monitoring With Example of Applications to Glaciers and Earthquakes. IEEE Transactions on Geoscience and Remote Sensing, 60 . Art. No. 4512919. ISSN 0196-2892. doi:10.1109/tgrs.2022.3215821.

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The Planet PlanetScope (PS) CubeSat constellation acquires high-resolution optical images that cover the entire surface of the Earth daily, enabling an unprecedented capability to monitor the Earth’s surface changes. However, our analysis reveals artifacts of the geometry of PS images related to the imaging system and processing issues, limiting the usability of these data for various Earth science applications, including the monitoring of glaciers, dune motion, or the measurement of ground deformation due to earthquakes and landslides. Here, we analyze these artifacts and propose ways to remediate them. We use two examples to evaluate the data and assess the performance of our proposed approaches. The first is the ground deformation caused by the 2019 Ridgecrest earthquake sequence, California, USA, and the second is the 2018–2019 surge of the Shisper glacier in the Karakorum. Using an image correlation technique, we show that PS images exhibit several geometric artifacts, such as scene-to-scene misregistration, inconsistence geolocation accuracy between spectral bands, and topographic artifacts. Altogether, these artifacts make a quantitative analysis of ground displacement difficult and inaccurate. We present a method that remediates most of these geometric artifacts. In addition, we propose a framework for selecting the most appropriate images and a procedure for refining the rational function model (RFM) of unrectified images to monitor surface displacements and topography changes in 3-D. These tools should enhance the use of PS images for Earth science applications.

Item Type:Article
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URLURL TypeDescription
Aati, Saif0000-0003-1087-832X
Avouac, Jean-Philippe0000-0002-3060-8442
Rupnik, Ewelina0000-0002-7229-5501
Additional Information:This work was supported in part by the Resnick Sustainability Institute, National Aeronautics and Space Administration (NASA), under Grant 80NSSC20K0492, and in part by the Southern California Earthquake Center (SCEC); SCEC is funded in part by the NSF Cooperative Agreement EAR-1600087 and in part by the USGS Cooperative Agreement G17AC00047. The authors would like to thank Kelsey Jordahl, Antonio Martos, and their colleagues at Planet for the information on sensors specification and data acquisition modes and helpful discussions. They also thank Shashank Bhushan and David Shean for helpful discussions. Supplementary data to this article can be found online: Saif Aati, “Potential and Limitation of PlanetScope Images for 2-D and 3-D Earth Surface Monitoring With Example of Applications to Glaciers and Earthquakes—Supporting Document,” September 2022, doi: 10.5281/zenodo.7090760.
Group:Division of Geological and Planetary Sciences, Resnick Sustainability Institute, Seismological Laboratory
Funding AgencyGrant Number
Resnick Sustainability InstituteUNSPECIFIED
Southern California Earthquake Center (SCEC)UNSPECIFIED
Record Number:CaltechAUTHORS:20221205-666301600.12
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:118237
Deposited By: Research Services Depository
Deposited On:06 Jan 2023 16:11
Last Modified:06 Jan 2023 16:11

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