2025-10-20 14:43:30,126 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192032_20250921 as 2025-09-21-10-00-11_L8_sar1696_ms.tif 2025-10-20 14:43:34,365 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193031_20250928 as 2025-09-28-10-05-58_L8_sar1696_ms.tif 2025-10-20 14:43:37,812 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250928 as 2025-09-28-10-06-22_L8_sar1696_ms.tif 2025-10-20 14:43:43,196 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192031_20250929 as 2025-09-29-09-59-50_L9_sar1696_ms.tif 2025-10-20 14:43:48,498 - 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/sar1696/L9/ms/2025-10-15-09-59-56_L9_sar1696_ms.tif 2025-10-20 14:43:52,755 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192032_20250929 as 2025-09-29-10-00-14_L9_sar1696_ms.tif 2025-10-20 14:43:58,029 - 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/sar1696/L9/ms/2025-10-15-10-00-20_L9_sar1696_ms.tif 2025-10-20 14:44:02,347 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20251006 as 2025-10-06-10-06-02_L9_sar1696_ms.tif 2025-10-20 14:44:06,552 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20251006 as 2025-10-06-10-06-26_L9_sar1696_ms.tif 2025-10-20 14:44:06,595 - satellite_download_logger - INFO - Please read the following information carefully: 2025-10-20 14:44:06,595 - 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 14:44:06,595 - 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 14:44:06,596 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-10-20 14:44:06,597 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-10-20 14:44:06,599 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-10-20 14:44:06,599 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-10-20 14:44:06,600 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-10-20 14:44:06,605 - satellite_download_logger - INFO - L8 2025-09-21-10-00-11 cloud cover : 0.00% 2025-10-20 14:44:06,627 - satellite_download_logger - INFO - L8 2025-09-21-10-00-11: sand: 0.00% ,whitewater: 0.00% ,water: 45.05% 2025-10-20 14:44:06,628 - 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 14:44:06,629 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-20 14:44:06,629 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 112 2025-10-20 14:44:06,629 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 112 2025-10-20 14:44:06,629 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 112 2025-10-20 14:44:06,631 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 112 2025-10-20 14:44:06,898 - satellite_download_logger - INFO - L8 2025-09-28-10-05-58 cloud cover : 0.00% 2025-10-20 14:44:06,919 - satellite_download_logger - INFO - L8 2025-09-28-10-05-58: sand: 0.00% ,whitewater: 0.00% ,water: 45.59% 2025-10-20 14:44:06,919 - 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 14:44:06,920 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-20 14:44:06,920 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 117 2025-10-20 14:44:06,920 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 117 2025-10-20 14:44:06,920 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 117 2025-10-20 14:44:06,922 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 117 2025-10-20 14:44:07,129 - satellite_download_logger - INFO - L8 2025-09-28-10-06-22 cloud cover : 0.00% 2025-10-20 14:44:07,162 - satellite_download_logger - INFO - L8 2025-09-28-10-06-22: sand: 0.00% ,whitewater: 0.00% ,water: 45.47% 2025-10-20 14:44:07,163 - 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 14:44:07,164 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-20 14:44:07,164 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 114 2025-10-20 14:44:07,164 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 114 2025-10-20 14:44:07,164 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 114 2025-10-20 14:44:07,166 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 114 2025-10-20 14:44:07,381 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-10-20 14:44:07,385 - satellite_download_logger - INFO - L9 2025-09-29-09-59-50 cloud cover : 0.00% 2025-10-20 14:44:07,391 - satellite_download_logger - INFO - L9 2025-09-29-09-59-50: sand: 0.00% ,whitewater: 0.00% ,water: 19.05% 2025-10-20 14:44:07,391 - 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 14:44:07,392 - 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 14:44:07,395 - satellite_download_logger - INFO - L9 2025-09-29-10-00-14 cloud cover : 0.00% 2025-10-20 14:44:07,416 - satellite_download_logger - INFO - L9 2025-09-29-10-00-14: sand: 0.00% ,whitewater: 0.00% ,water: 45.71% 2025-10-20 14:44:07,416 - 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 14:44:07,417 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-20 14:44:07,417 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 113 2025-10-20 14:44:07,417 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 113 2025-10-20 14:44:07,417 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 113 2025-10-20 14:44:07,419 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 113 2025-10-20 14:44:07,628 - satellite_download_logger - INFO - L9 2025-10-06-10-06-02 cloud cover : 0.00% 2025-10-20 14:44:07,653 - satellite_download_logger - INFO - L9 2025-10-06-10-06-02: sand: 0.00% ,whitewater: 0.00% ,water: 45.65% 2025-10-20 14:44:07,653 - 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 14:44:07,654 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-20 14:44:07,654 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 110 2025-10-20 14:44:07,654 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 110 2025-10-20 14:44:07,654 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 110 2025-10-20 14:44:07,656 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 110 2025-10-20 14:44:07,874 - satellite_download_logger - INFO - L9 2025-10-06-10-06-26 cloud cover : 0.00% 2025-10-20 14:44:07,897 - satellite_download_logger - INFO - L9 2025-10-06-10-06-26: sand: 0.00% ,whitewater: 0.00% ,water: 45.65% 2025-10-20 14:44:07,898 - 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 14:44:07,901 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-20 14:44:07,901 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 112 2025-10-20 14:44:07,901 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 112 2025-10-20 14:44:07,901 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 112 2025-10-20 14:44:07,903 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 112