2025-10-01 01:38:40,543 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250827 as 2025-08-27-10-06-10_L8_sar2242_ms.tif 2025-10-01 01:38:48,034 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250912 as 2025-09-12-10-06-16_L8_sar2242_ms.tif 2025-10-01 01:38:52,915 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_194031_20250903 as 2025-09-03-10-12-02_L8_sar2242_ms.tif 2025-10-01 01:39:00,352 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_194032_20250903 as 2025-09-03-10-12-25_L8_sar2242_ms.tif 2025-10-01 01:39:05,887 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250904 as 2025-09-04-10-05-55_L9_sar2242_ms.tif 2025-10-01 01:39:13,340 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250904 as 2025-09-04-10-06-19_L9_sar2242_ms.tif 2025-10-01 01:39:19,546 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250920 as 2025-09-20-10-06-22_L9_sar2242_ms.tif 2025-10-01 01:39:26,857 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_194031_20250911 as 2025-09-11-10-12-08_L9_sar2242_ms.tif 2025-10-01 01:39:32,055 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_194031_20250927 that failed. Failed to open the image file data/sar2242/L9/ms/2025-09-27-10-12-12_L9_sar2242_ms.tif 2025-10-01 01:39:37,289 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_194032_20250911 as 2025-09-11-10-12-32_L9_sar2242_ms.tif 2025-10-01 01:39:40,556 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_194032_20250927 that failed. Failed to open the image file data/sar2242/L9/ms/2025-09-27-10-12-35_L9_sar2242_ms.tif 2025-10-01 01:39:40,599 - satellite_download_logger - INFO - Please read the following information carefully: 2025-10-01 01:39:40,599 - 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. 2025-10-01 01:39:40,599 - 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. 2025-10-01 01:39:40,599 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-10-01 01:39:40,601 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-10-01 01:39:40,602 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-10-01 01:39:40,602 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-10-01 01:39:40,604 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-10-01 01:39:40,608 - satellite_download_logger - INFO - L8 2025-08-27-10-06-10 cloud cover : 0.00% 2025-10-01 01:39:40,623 - satellite_download_logger - INFO - L8 2025-08-27-10-06-10: sand: 0.00% ,whitewater: 0.00% ,water: 47.67% 2025-10-01 01:39:40,623 - satellite_download_logger - INFO - L8 2025-08-27-10-06-10: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:39:40,624 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:39:40,624 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 91 2025-10-01 01:39:40,624 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 91 2025-10-01 01:39:40,624 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 91 2025-10-01 01:39:40,626 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 90 2025-10-01 01:39:41,122 - satellite_download_logger - INFO - L8 2025-09-03-10-12-02 cloud cover : 0.00% 2025-10-01 01:39:41,137 - satellite_download_logger - INFO - L8 2025-09-03-10-12-02: sand: 0.52% ,whitewater: 0.00% ,water: 49.14% 2025-10-01 01:39:41,137 - satellite_download_logger - INFO - L8 2025-09-03-10-12-02: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:39:41,138 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:39:41,138 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 86 2025-10-01 01:39:41,139 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 86 2025-10-01 01:39:41,139 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 86 2025-10-01 01:39:41,140 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 85 2025-10-01 01:39:41,310 - satellite_download_logger - INFO - L8 2025-09-03-10-12-25 cloud cover : 0.00% 2025-10-01 01:39:41,327 - satellite_download_logger - INFO - L8 2025-09-03-10-12-25: sand: 0.52% ,whitewater: 0.00% ,water: 49.40% 2025-10-01 01:39:41,327 - satellite_download_logger - INFO - L8 2025-09-03-10-12-25: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:39:41,328 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:39:41,329 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 86 2025-10-01 01:39:41,329 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 86 2025-10-01 01:39:41,329 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 86 2025-10-01 01:39:41,330 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 85 2025-10-01 01:39:45,590 - satellite_download_logger - INFO - L8 2025-09-12-10-06-16 cloud cover : 0.00% 2025-10-01 01:39:45,607 - satellite_download_logger - INFO - L8 2025-09-12-10-06-16: sand: 0.00% ,whitewater: 0.00% ,water: 48.71% 2025-10-01 01:39:45,607 - satellite_download_logger - INFO - L8 2025-09-12-10-06-16: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:39:45,608 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:39:45,608 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 86 2025-10-01 01:39:45,609 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 86 2025-10-01 01:39:45,609 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 86 2025-10-01 01:39:45,610 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 85 2025-10-01 01:39:45,774 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-10-01 01:39:45,778 - satellite_download_logger - INFO - L9 2025-09-04-10-05-55 cloud cover : 0.00% 2025-10-01 01:39:45,784 - satellite_download_logger - INFO - L9 2025-09-04-10-05-55: sand: 0.00% ,whitewater: 0.00% ,water: 0.00% 2025-10-01 01:39:45,784 - satellite_download_logger - INFO - L9 2025-09-04-10-05-55: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:39:45,785 - satellite_download_logger - ERROR - L9 2025-09-04-10-05-55: 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. 2025-10-01 01:39:45,788 - satellite_download_logger - INFO - L9 2025-09-04-10-06-19 cloud cover : 0.00% 2025-10-01 01:39:45,803 - satellite_download_logger - INFO - L9 2025-09-04-10-06-19: sand: 0.52% ,whitewater: 0.00% ,water: 48.88% 2025-10-01 01:39:45,803 - satellite_download_logger - INFO - L9 2025-09-04-10-06-19: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:39:45,804 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:39:45,804 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 92 2025-10-01 01:39:45,804 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 92 2025-10-01 01:39:45,804 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 92 2025-10-01 01:39:45,805 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 90 2025-10-01 01:39:45,947 - satellite_download_logger - INFO - L9 2025-09-11-10-12-08 cloud cover : 0.00% 2025-10-01 01:39:45,967 - satellite_download_logger - INFO - L9 2025-09-11-10-12-08: sand: 0.00% ,whitewater: 0.00% ,water: 49.91% 2025-10-01 01:39:45,967 - satellite_download_logger - INFO - L9 2025-09-11-10-12-08: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:39:45,968 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:39:45,968 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 87 2025-10-01 01:39:45,968 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 87 2025-10-01 01:39:45,968 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 87 2025-10-01 01:39:45,969 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 86 2025-10-01 01:39:46,115 - satellite_download_logger - INFO - L9 2025-09-11-10-12-32 cloud cover : 0.00% 2025-10-01 01:39:46,131 - satellite_download_logger - INFO - L9 2025-09-11-10-12-32: sand: 0.00% ,whitewater: 0.00% ,water: 50.00% 2025-10-01 01:39:46,131 - satellite_download_logger - INFO - L9 2025-09-11-10-12-32: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:39:46,132 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:39:46,132 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 87 2025-10-01 01:39:46,132 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 87 2025-10-01 01:39:46,132 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 87 2025-10-01 01:39:46,134 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 86 2025-10-01 01:39:46,296 - satellite_download_logger - INFO - L9 2025-09-20-10-06-22 cloud cover : 0.00% 2025-10-01 01:39:46,310 - satellite_download_logger - INFO - L9 2025-09-20-10-06-22: sand: 0.00% ,whitewater: 0.00% ,water: 49.14% 2025-10-01 01:39:46,310 - satellite_download_logger - INFO - L9 2025-09-20-10-06-22: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:39:46,311 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:39:46,311 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 89 2025-10-01 01:39:46,311 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 89 2025-10-01 01:39:46,311 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 89 2025-10-01 01:39:46,313 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 88