2025-06-17 13:21:23,295 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193031_20250523 as 2025-05-23-10-05-12_L8_sar2236_ms.tif 2025-06-17 13:21:27,735 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250523 as 2025-05-23-10-05-35_L8_sar2236_ms.tif 2025-06-17 13:21:32,082 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_194031_20250530 as 2025-05-30-10-11-23_L8_sar2236_ms.tif 2025-06-17 13:21:37,748 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_194032_20250530 as 2025-05-30-10-11-47_L8_sar2236_ms.tif 2025-06-17 13:21:45,571 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250515 that failed. Failed to open the image file data/sar2236/L9/ms/2025-05-15-10-05-16_L9_sar2236_ms.tif 2025-06-17 13:21:50,990 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250531 as 2025-05-31-10-05-10_L9_sar2236_ms.tif 2025-06-17 13:21:56,325 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250515 that failed. Failed to open the image file data/sar2236/L9/ms/2025-05-15-10-05-40_L9_sar2236_ms.tif 2025-06-17 13:21:59,899 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250531 as 2025-05-31-10-05-34_L9_sar2236_ms.tif 2025-06-17 13:22:05,952 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_194031_20250607 as 2025-06-07-10-11-21_L9_sar2236_ms.tif 2025-06-17 13:22:10,421 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_194032_20250607 as 2025-06-07-10-11-45_L9_sar2236_ms.tif 2025-06-17 13:22:10,512 - satellite_download_logger - INFO - Please read the following information carefully: 2025-06-17 13:22:10,512 - 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. 2025-06-17 13:22:10,512 - 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. 2025-06-17 13:22:10,512 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-06-17 13:22:10,517 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-06-17 13:22:10,518 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-06-17 13:22:10,518 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-06-17 13:22:10,524 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-06-17 13:22:10,530 - satellite_download_logger - INFO - L8 2025-05-23-10-05-12 cloud cover : 0.00% 2025-06-17 13:22:10,537 - satellite_download_logger - INFO - L8 2025-05-23-10-05-12: sand: 0.00% ,whitewater: 5.56% ,water: 5.56% 2025-06-17 13:22:10,537 - satellite_download_logger - INFO - L8 2025-05-23-10-05-12: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 13:22:10,544 - satellite_download_logger - ERROR - L8 2025-05-23-10-05-12: 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. 2025-06-17 13:22:10,550 - satellite_download_logger - INFO - L8 2025-05-23-10-05-35 cloud cover : 0.00% 2025-06-17 13:22:10,586 - satellite_download_logger - INFO - L8 2025-05-23-10-05-35: sand: 0.00% ,whitewater: 8.34% ,water: 54.11% 2025-06-17 13:22:10,586 - satellite_download_logger - INFO - L8 2025-05-23-10-05-35: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 13:22:10,588 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 5 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-06-17 13:22:10,588 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 123 2025-06-17 13:22:10,588 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 123 2025-06-17 13:22:10,588 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 123 2025-06-17 13:22:10,590 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 121 2025-06-17 13:22:10,907 - satellite_download_logger - INFO - L8 2025-05-30-10-11-23 cloud cover : 0.00% 2025-06-17 13:22:10,932 - satellite_download_logger - INFO - L8 2025-05-30-10-11-23: sand: 0.00% ,whitewater: 0.00% ,water: 62.98% 2025-06-17 13:22:10,932 - satellite_download_logger - INFO - L8 2025-05-30-10-11-23: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 13:22:10,934 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 3 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-06-17 13:22:10,934 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 134 2025-06-17 13:22:10,934 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 134 2025-06-17 13:22:10,934 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 134 2025-06-17 13:22:10,936 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 133 2025-06-17 13:22:11,219 - satellite_download_logger - INFO - L8 2025-05-30-10-11-47 cloud cover : 7.69% 2025-06-17 13:22:11,244 - satellite_download_logger - INFO - L8 2025-05-30-10-11-47: sand: 0.00% ,whitewater: 0.00% ,water: 56.98% 2025-06-17 13:22:11,244 - satellite_download_logger - INFO - L8 2025-05-30-10-11-47: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 13:22:11,246 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 4 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-06-17 13:22:11,246 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 112 2025-06-17 13:22:11,249 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 68 2025-06-17 13:22:11,249 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 68 2025-06-17 13:22:11,250 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 67 2025-06-17 13:22:11,486 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-06-17 13:22:11,490 - satellite_download_logger - INFO - L9 2025-05-31-10-05-10 cloud cover : 0.00% 2025-06-17 13:22:11,507 - satellite_download_logger - INFO - L9 2025-05-31-10-05-10: sand: 0.00% ,whitewater: 0.00% ,water: 51.76% 2025-06-17 13:22:11,507 - satellite_download_logger - INFO - L9 2025-05-31-10-05-10: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 13:22:11,508 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 0 shorelines 2025-06-17 13:22:11,927 - satellite_download_logger - INFO - L9 2025-05-31-10-05-34 cloud cover : 0.00% 2025-06-17 13:22:11,956 - satellite_download_logger - INFO - L9 2025-05-31-10-05-34: sand: 0.00% ,whitewater: 0.00% ,water: 64.19% 2025-06-17 13:22:11,956 - satellite_download_logger - INFO - L9 2025-05-31-10-05-34: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 13:22:11,958 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 3 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-06-17 13:22:11,958 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 139 2025-06-17 13:22:11,958 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 139 2025-06-17 13:22:11,958 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 139 2025-06-17 13:22:11,960 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 136 2025-06-17 13:22:12,182 - satellite_download_logger - INFO - L9 2025-06-07-10-11-21 cloud cover : 0.00% 2025-06-17 13:22:12,209 - satellite_download_logger - INFO - L9 2025-06-07-10-11-21: sand: 0.00% ,whitewater: 0.00% ,water: 61.47% 2025-06-17 13:22:12,209 - satellite_download_logger - INFO - L9 2025-06-07-10-11-21: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 13:22:12,211 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 4 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-06-17 13:22:12,211 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 146 2025-06-17 13:22:12,211 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 146 2025-06-17 13:22:12,211 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 146 2025-06-17 13:22:12,213 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 145 2025-06-17 13:22:12,438 - satellite_download_logger - INFO - L9 2025-06-07-10-11-45 cloud cover : 0.00% 2025-06-17 13:22:12,465 - satellite_download_logger - INFO - L9 2025-06-07-10-11-45: sand: 0.00% ,whitewater: 0.00% ,water: 61.47% 2025-06-17 13:22:12,465 - satellite_download_logger - INFO - L9 2025-06-07-10-11-45: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 13:22:12,467 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 4 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-06-17 13:22:12,467 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 146 2025-06-17 13:22:12,467 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 146 2025-06-17 13:22:12,467 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 146 2025-06-17 13:22:12,469 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 145