2025-06-01 00:01:50,746 - satellite_download_logger - INFO - Successfully downloaded image id LANDSAT/LC08/C02/T1_TOA/LC08_074084_20250505 as 2025-05-05-22-10-48_L8_nzd0027_ms.tif 2025-06-01 00:01:59,969 - satellite_download_logger - INFO - Successfully downloaded image id LANDSAT/LC08/C02/T1_TOA/LC08_074084_20250521 as 2025-05-21-22-10-52_L8_nzd0027_ms.tif 2025-06-01 00:02:10,712 - satellite_download_logger - INFO - Successfully downloaded image id LANDSAT/LC08/C02/T1_TOA/LC08_075084_20250512 as 2025-05-12-22-16-59_L8_nzd0027_ms.tif 2025-06-01 00:02:17,306 - satellite_download_logger - INFO - Successfully downloaded image id LANDSAT/LC09/C02/T1_TOA/LC09_074084_20250513 as 2025-05-13-22-10-58_L9_nzd0027_ms.tif 2025-06-01 00:02:28,661 - satellite_download_logger - INFO - Successfully downloaded image id LANDSAT/LC09/C02/T1_TOA/LC09_074084_20250529 as 2025-05-29-22-10-51_L9_nzd0027_ms.tif 2025-06-01 00:02:38,376 - satellite_download_logger - INFO - Successfully downloaded image id LANDSAT/LC09/C02/T1_TOA/LC09_075084_20250520 as 2025-05-20-22-17-06_L9_nzd0027_ms.tif 2025-06-01 00:02:38,486 - satellite_download_logger - INFO - Please read the following information carefully: 2025-06-01 00:02:38,486 - 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. 2025-06-01 00:02:38,486 - 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. 2025-06-01 00:02:38,486 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-06-01 00:02:38,492 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-06-01 00:02:38,494 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-06-01 00:02:38,494 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-06-01 00:02:38,495 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-06-01 00:02:38,503 - satellite_download_logger - INFO - Processing image L8 2025-05-05-22-10-48 2025-06-01 00:02:38,503 - satellite_download_logger - INFO - L8 2025-05-05-22-10-48 cloud cover : 0.00% 2025-06-01 00:02:38,656 - satellite_download_logger - INFO - L8 2025-05-05-22-10-48: sand: 0.00% ,whitewater: 0.00% ,water: 0.40% 2025-06-01 00:02:38,656 - satellite_download_logger - INFO - L8 2025-05-05-22-10-48: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-01 00:02:38,675 - satellite_download_logger - ERROR - L8 2025-05-05-22-10-48: 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/python3.10/site-packages/coastsat/SDS_shoreline.py", line 686, in extract_shorelines contours_mwi, t_mndwi = find_wl_contours1( File "/home/ubuntu/.local/lib/python3.10/site-packages/coastsat/SDS_shoreline.py", line 981, in find_wl_contours1 raise ValueError("no valid pixels found in reference shoreline buffer.") ValueError: no valid pixels found in reference shoreline buffer. 2025-06-01 00:02:38,805 - satellite_download_logger - INFO - Processing image L8 2025-05-12-22-16-59 2025-06-01 00:02:38,806 - satellite_download_logger - INFO - L8 2025-05-12-22-16-59 cloud cover : 6.07% 2025-06-01 00:02:39,450 - satellite_download_logger - INFO - L8 2025-05-12-22-16-59: sand: 0.13% ,whitewater: 0.02% ,water: 52.15% 2025-06-01 00:02:39,452 - satellite_download_logger - INFO - L8 2025-05-12-22-16-59: Greater than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours2 2025-06-01 00:02:39,493 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 36 shorelines. Number of shorelines after filtering shorelines: 5 shorelines 2025-06-01 00:02:39,493 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 793 2025-06-01 00:02:39,876 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 714 2025-06-01 00:02:39,876 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 714 2025-06-01 00:02:39,907 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 714 2025-06-01 00:02:40,523 - satellite_download_logger - INFO - Processing image L8 2025-05-21-22-10-52 2025-06-01 00:02:40,523 - satellite_download_logger - INFO - L8 2025-05-21-22-10-52 cloud cover : 0.00% 2025-06-01 00:02:40,790 - satellite_download_logger - INFO - L8 2025-05-21-22-10-52: sand: 0.23% ,whitewater: 0.00% ,water: 9.09% 2025-06-01 00:02:40,791 - satellite_download_logger - INFO - L8 2025-05-21-22-10-52: Greater than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours2 2025-06-01 00:02:40,803 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 8 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-06-01 00:02:40,803 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 294 2025-06-01 00:02:40,803 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 294 2025-06-01 00:02:40,803 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 294 2025-06-01 00:02:41,116 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 291 2025-06-01 00:02:41,665 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-06-01 00:02:41,674 - satellite_download_logger - INFO - Processing image L9 2025-05-13-22-10-58 2025-06-01 00:02:41,674 - satellite_download_logger - INFO - L9 2025-05-13-22-10-58 cloud cover : 0.00% 2025-06-01 00:02:41,773 - satellite_download_logger - INFO - L9 2025-05-13-22-10-58: sand: 0.00% ,whitewater: 0.00% ,water: 0.67% 2025-06-01 00:02:41,774 - satellite_download_logger - INFO - L9 2025-05-13-22-10-58: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-01 00:02:41,774 - satellite_download_logger - ERROR - L9 2025-05-13-22-10-58: 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/python3.10/site-packages/coastsat/SDS_shoreline.py", line 686, in extract_shorelines contours_mwi, t_mndwi = find_wl_contours1( File "/home/ubuntu/.local/lib/python3.10/site-packages/coastsat/SDS_shoreline.py", line 981, in find_wl_contours1 raise ValueError("no valid pixels found in reference shoreline buffer.") ValueError: no valid pixels found in reference shoreline buffer. 2025-06-01 00:02:41,854 - satellite_download_logger - INFO - Processing image L9 2025-05-20-22-17-06 2025-06-01 00:02:41,854 - satellite_download_logger - INFO - L9 2025-05-20-22-17-06 cloud cover : 0.35% 2025-06-01 00:02:42,357 - satellite_download_logger - INFO - L9 2025-05-20-22-17-06: sand: 1.31% ,whitewater: 0.19% ,water: 56.06% 2025-06-01 00:02:42,359 - satellite_download_logger - INFO - L9 2025-05-20-22-17-06: Greater than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours2 2025-06-01 00:02:42,373 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 13 shorelines. Number of shorelines after filtering shorelines: 3 shorelines 2025-06-01 00:02:42,374 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 765 2025-06-01 00:02:42,402 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 700 2025-06-01 00:02:42,402 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 700 2025-06-01 00:02:42,432 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 700 2025-06-01 00:02:43,221 - satellite_download_logger - ERROR - Skipping L9 2025-05-29-22-10-51 due to cloud cover percentage exceeding cloud threshold: 28.19% > 10.00%.