2025-08-01 00:59:57,714 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193031_20250624 as 2025-06-24-10-05-27_L8_sar2020_ms.tif 2025-08-01 01:00:03,221 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250624 as 2025-06-24-10-05-51_L8_sar2020_ms.tif 2025-08-01 01:00:07,770 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250710 as 2025-07-10-10-05-54_L8_sar2020_ms.tif 2025-08-01 01:00:12,385 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250616 that failed. Failed to open the image file data/sar2020/L9/ms/2025-06-16-10-05-19_L9_sar2020_ms.tif 2025-08-01 01:00:15,755 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250702 as 2025-07-02-10-05-27_L9_sar2020_ms.tif 2025-08-01 01:00:20,097 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250718 as 2025-07-18-10-05-33_L9_sar2020_ms.tif 2025-08-01 01:00:24,581 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250616 that failed. Failed to open the image file data/sar2020/L9/ms/2025-06-16-10-05-43_L9_sar2020_ms.tif 2025-08-01 01:00:30,125 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250702 as 2025-07-02-10-05-51_L9_sar2020_ms.tif 2025-08-01 01:00:36,048 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250718 as 2025-07-18-10-05-57_L9_sar2020_ms.tif 2025-08-01 01:00:36,142 - satellite_download_logger - INFO - Please read the following information carefully: 2025-08-01 01:00:36,142 - satellite_download_logger - INFO - find_wl_contours2: A method for extracting shorelines that uses the sand water interface detected with the model to refine the threshold that's used to detect shorelines . - This is the default method used when there are enough sand pixels within the reference shoreline buffer. 2025-08-01 01:00:36,142 - satellite_download_logger - INFO - find_wl_contours1: This shoreline extraction method uses a threshold to differentiate between water and land pixels in images, relying on Modified Normalized Difference Water Index (MNDWI) values. However, it may inaccurately classify snow and ice as water, posing a limitation in certain environments. - This is only used when not enough sand pixels are detected within the reference shoreline buffer. 2025-08-01 01:00:36,142 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-08-01 01:00:36,143 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-08-01 01:00:36,152 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-08-01 01:00:36,152 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-08-01 01:00:36,153 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-08-01 01:00:36,167 - satellite_download_logger - INFO - L8 2025-06-24-10-05-27 cloud cover : 0.00% 2025-08-01 01:00:36,280 - satellite_download_logger - INFO - L8 2025-06-24-10-05-27: sand: 0.00% ,whitewater: 0.00% ,water: 26.71% 2025-08-01 01:00:36,280 - satellite_download_logger - INFO - L8 2025-06-24-10-05-27: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 01:00:36,281 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 0 shorelines 2025-08-01 01:00:37,296 - satellite_download_logger - INFO - L8 2025-06-24-10-05-51 cloud cover : 0.00% 2025-08-01 01:00:37,329 - satellite_download_logger - INFO - L8 2025-06-24-10-05-51: sand: 1.35% ,whitewater: 0.00% ,water: 49.34% 2025-08-01 01:00:37,329 - satellite_download_logger - INFO - L8 2025-06-24-10-05-51: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 01:00:37,330 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-08-01 01:00:37,330 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 96 2025-08-01 01:00:37,330 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 96 2025-08-01 01:00:37,330 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 96 2025-08-01 01:00:37,330 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 96 2025-08-01 01:00:37,535 - satellite_download_logger - INFO - L8 2025-07-10-10-05-54 cloud cover : 0.00% 2025-08-01 01:00:37,564 - satellite_download_logger - INFO - L8 2025-07-10-10-05-54: sand: 1.51% ,whitewater: 0.00% ,water: 50.08% 2025-08-01 01:00:37,564 - satellite_download_logger - INFO - L8 2025-07-10-10-05-54: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 01:00:37,566 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-08-01 01:00:37,566 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 97 2025-08-01 01:00:37,566 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 97 2025-08-01 01:00:37,566 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 97 2025-08-01 01:00:37,566 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 97 2025-08-01 01:00:37,760 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-08-01 01:00:37,763 - satellite_download_logger - INFO - L9 2025-07-02-10-05-27 cloud cover : 0.00% 2025-08-01 01:00:37,776 - satellite_download_logger - INFO - L9 2025-07-02-10-05-27: sand: 0.00% ,whitewater: 0.00% ,water: 25.20% 2025-08-01 01:00:37,776 - satellite_download_logger - INFO - L9 2025-07-02-10-05-27: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 01:00:37,777 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 0 shorelines 2025-08-01 01:00:37,943 - satellite_download_logger - INFO - L9 2025-07-02-10-05-51 cloud cover : 0.00% 2025-08-01 01:00:37,970 - satellite_download_logger - INFO - L9 2025-07-02-10-05-51: sand: 2.25% ,whitewater: 0.00% ,water: 49.98% 2025-08-01 01:00:37,971 - satellite_download_logger - INFO - L9 2025-07-02-10-05-51: Greater than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours2 2025-08-01 01:00:37,972 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-08-01 01:00:37,973 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 96 2025-08-01 01:00:37,973 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 96 2025-08-01 01:00:37,973 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 96 2025-08-01 01:00:37,973 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 96 2025-08-01 01:00:38,163 - satellite_download_logger - INFO - L9 2025-07-18-10-05-33 cloud cover : 0.00% 2025-08-01 01:00:38,169 - satellite_download_logger - INFO - L9 2025-07-18-10-05-33: sand: 0.00% ,whitewater: 0.00% ,water: 0.00% 2025-08-01 01:00:38,169 - satellite_download_logger - INFO - L9 2025-07-18-10-05-33: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 01:00:38,171 - satellite_download_logger - ERROR - L9 2025-07-18-10-05-33: Could not map shoreline due to error no valid pixels found in reference shoreline buffer. Traceback (most recent call last): File "/home/ubuntu/.local/lib/python3.12/site-packages/coastsat/SDS_shoreline.py", line 1061, in extract_shorelines shoreline, t_mndwi = find_shoreline_optical( ^^^^^^^^^^^^^^^^^^^^^^^ File "/home/ubuntu/.local/lib/python3.12/site-packages/coastsat/SDS_shoreline.py", line 216, in find_shoreline_optical contours_mwi, t_mndwi = find_wl_contours1(im_mndwi, cloud_mask, im_ref_buffer) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/ubuntu/.local/lib/python3.12/site-packages/coastsat/SDS_shoreline.py", line 1426, in find_wl_contours1 raise ValueError("no valid pixels found in reference shoreline buffer.") ValueError: no valid pixels found in reference shoreline buffer. 2025-08-01 01:00:38,174 - satellite_download_logger - INFO - L9 2025-07-18-10-05-57 cloud cover : 0.00% 2025-08-01 01:00:38,201 - satellite_download_logger - INFO - L9 2025-07-18-10-05-57: sand: 1.83% ,whitewater: 0.03% ,water: 50.11% 2025-08-01 01:00:38,202 - satellite_download_logger - INFO - L9 2025-07-18-10-05-57: Greater than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours2 2025-08-01 01:00:38,204 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-08-01 01:00:38,204 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 99 2025-08-01 01:00:38,204 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 99 2025-08-01 01:00:38,204 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 99 2025-08-01 01:00:38,204 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 99