2025-10-20 14:43:50,289 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192032_20250921 as 2025-09-21-10-00-11_L8_sar1713_ms.tif 2025-10-20 14:43:53,548 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193031_20250928 as 2025-09-28-10-05-58_L8_sar1713_ms.tif 2025-10-20 14:43:56,779 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250928 as 2025-09-28-10-06-22_L8_sar1713_ms.tif 2025-10-20 14:44:01,076 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192031_20250929 as 2025-09-29-09-59-50_L9_sar1713_ms.tif 2025-10-20 14:44:07,338 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_192031_20251015 that failed. Failed to open the image file data/sar1713/L9/ms/2025-10-15-09-59-56_L9_sar1713_ms.tif 2025-10-20 14:44:10,572 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192032_20250929 as 2025-09-29-10-00-14_L9_sar1713_ms.tif 2025-10-20 14:44:15,781 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_192032_20251015 that failed. Failed to open the image file data/sar1713/L9/ms/2025-10-15-10-00-20_L9_sar1713_ms.tif 2025-10-20 14:44:21,015 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20251006 as 2025-10-06-10-06-02_L9_sar1713_ms.tif 2025-10-20 14:44:24,364 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20251006 as 2025-10-06-10-06-26_L9_sar1713_ms.tif 2025-10-20 14:44:24,407 - satellite_download_logger - INFO - Please read the following information carefully: 2025-10-20 14:44:24,407 - 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. 2025-10-20 14:44:24,407 - 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. 2025-10-20 14:44:24,407 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-10-20 14:44:24,408 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-10-20 14:44:24,410 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-10-20 14:44:24,410 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-10-20 14:44:24,411 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-10-20 14:44:24,415 - satellite_download_logger - INFO - L8 2025-09-21-10-00-11 cloud cover : 0.00% 2025-10-20 14:44:24,441 - satellite_download_logger - INFO - L8 2025-09-21-10-00-11: sand: 0.00% ,whitewater: 0.00% ,water: 54.95% 2025-10-20 14:44:24,441 - satellite_download_logger - INFO - L8 2025-09-21-10-00-11: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-20 14:44:24,442 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-20 14:44:24,442 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 96 2025-10-20 14:44:24,442 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 96 2025-10-20 14:44:24,442 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 96 2025-10-20 14:44:24,452 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 94 2025-10-20 14:44:24,778 - satellite_download_logger - INFO - L8 2025-09-28-10-05-58 cloud cover : 0.00% 2025-10-20 14:44:24,801 - satellite_download_logger - INFO - L8 2025-09-28-10-05-58: sand: 0.00% ,whitewater: 0.00% ,water: 55.14% 2025-10-20 14:44:24,801 - satellite_download_logger - INFO - L8 2025-09-28-10-05-58: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-20 14:44:24,803 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-20 14:44:24,803 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 97 2025-10-20 14:44:24,803 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 97 2025-10-20 14:44:24,803 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 97 2025-10-20 14:44:24,804 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 96 2025-10-20 14:44:25,100 - satellite_download_logger - INFO - L8 2025-09-28-10-06-22 cloud cover : 0.00% 2025-10-20 14:44:25,123 - satellite_download_logger - INFO - L8 2025-09-28-10-06-22: sand: 0.00% ,whitewater: 0.00% ,water: 55.02% 2025-10-20 14:44:25,123 - satellite_download_logger - INFO - L8 2025-09-28-10-06-22: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-20 14:44:25,125 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-20 14:44:25,125 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 95 2025-10-20 14:44:25,125 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 95 2025-10-20 14:44:25,125 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 95 2025-10-20 14:44:25,126 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 94 2025-10-20 14:44:25,419 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-10-20 14:44:25,423 - satellite_download_logger - INFO - L9 2025-09-29-09-59-50 cloud cover : 0.00% 2025-10-20 14:44:25,430 - satellite_download_logger - INFO - L9 2025-09-29-09-59-50: sand: 0.00% ,whitewater: 0.00% ,water: 25.00% 2025-10-20 14:44:25,430 - satellite_download_logger - INFO - L9 2025-09-29-09-59-50: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-20 14:44:25,431 - satellite_download_logger - ERROR - L9 2025-09-29-09-59-50: 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. 2025-10-20 14:44:25,434 - satellite_download_logger - INFO - L9 2025-09-29-10-00-14 cloud cover : 0.00% 2025-10-20 14:44:25,460 - satellite_download_logger - INFO - L9 2025-09-29-10-00-14: sand: 0.00% ,whitewater: 0.00% ,water: 55.08% 2025-10-20 14:44:25,460 - satellite_download_logger - INFO - L9 2025-09-29-10-00-14: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-20 14:44:25,461 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-20 14:44:25,461 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 94 2025-10-20 14:44:25,461 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 94 2025-10-20 14:44:25,461 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 94 2025-10-20 14:44:25,463 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 93 2025-10-20 14:44:25,752 - satellite_download_logger - INFO - L9 2025-10-06-10-06-02 cloud cover : 0.00% 2025-10-20 14:44:25,776 - satellite_download_logger - INFO - L9 2025-10-06-10-06-02: sand: 0.00% ,whitewater: 0.00% ,water: 55.62% 2025-10-20 14:44:25,776 - satellite_download_logger - INFO - L9 2025-10-06-10-06-02: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-20 14:44:25,778 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-20 14:44:25,778 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 100 2025-10-20 14:44:25,778 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 100 2025-10-20 14:44:25,778 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 100 2025-10-20 14:44:25,779 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 99 2025-10-20 14:44:26,079 - satellite_download_logger - INFO - L9 2025-10-06-10-06-26 cloud cover : 0.00% 2025-10-20 14:44:26,102 - satellite_download_logger - INFO - L9 2025-10-06-10-06-26: sand: 0.00% ,whitewater: 0.00% ,water: 55.56% 2025-10-20 14:44:26,102 - satellite_download_logger - INFO - L9 2025-10-06-10-06-26: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-20 14:44:26,104 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-20 14:44:26,104 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 98 2025-10-20 14:44:26,104 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 98 2025-10-20 14:44:26,104 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 98 2025-10-20 14:44:26,105 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 97