2025-09-01 00:52:58,128 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192031_20250804 as 2025-08-04-09-59-30_L8_sar1741_ms.tif 2025-09-01 00:53:03,354 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC08/C02/T1_TOA/LC08_192031_20250820 that failed. Failed to open the image file data/sar1741/L8/ms/2025-08-20-09-59-36_L8_sar1741_ms.tif 2025-09-01 00:53:07,718 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192032_20250804 as 2025-08-04-09-59-54_L8_sar1741_ms.tif 2025-09-01 00:53:10,999 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC08/C02/T1_TOA/LC08_192032_20250820 that failed. Failed to open the image file data/sar1741/L8/ms/2025-08-20-10-00-00_L8_sar1741_ms.tif 2025-09-01 00:53:16,491 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193031_20250811 as 2025-08-11-10-05-45_L8_sar1741_ms.tif 2025-09-01 00:53:21,053 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192031_20250812 as 2025-08-12-09-59-36_L9_sar1741_ms.tif 2025-09-01 00:53:26,191 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192031_20250828 as 2025-08-28-09-59-40_L9_sar1741_ms.tif 2025-09-01 00:53:30,465 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192032_20250812 as 2025-08-12-10-00-00_L9_sar1741_ms.tif 2025-09-01 00:53:35,908 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192032_20250828 as 2025-08-28-10-00-04_L9_sar1741_ms.tif 2025-09-01 00:53:39,666 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250803 as 2025-08-03-10-05-39_L9_sar1741_ms.tif 2025-09-01 00:53:45,073 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250819 as 2025-08-19-10-05-50_L9_sar1741_ms.tif 2025-09-01 00:53:49,564 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250803 as 2025-08-03-10-06-03_L9_sar1741_ms.tif 2025-09-01 00:53:49,615 - satellite_download_logger - INFO - Please read the following information carefully: 2025-09-01 00:53:49,615 - 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. 2025-09-01 00:53:49,615 - 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. 2025-09-01 00:53:49,615 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-09-01 00:53:49,617 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-09-01 00:53:49,619 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-09-01 00:53:49,619 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-09-01 00:53:49,620 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-09-01 00:53:49,634 - satellite_download_logger - INFO - L8 2025-08-04-09-59-30 cloud cover : 0.00% 2025-09-01 00:53:49,679 - satellite_download_logger - INFO - L8 2025-08-04-09-59-30: sand: 0.64% ,whitewater: 0.00% ,water: 41.59% 2025-09-01 00:53:49,679 - satellite_download_logger - INFO - L8 2025-08-04-09-59-30: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:53:49,681 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:53:49,681 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 105 2025-09-01 00:53:49,681 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 105 2025-09-01 00:53:49,681 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 105 2025-09-01 00:53:49,682 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 104 2025-09-01 00:53:49,925 - satellite_download_logger - INFO - L8 2025-08-04-09-59-54 cloud cover : 0.00% 2025-09-01 00:53:49,951 - satellite_download_logger - INFO - L8 2025-08-04-09-59-54: sand: 0.64% ,whitewater: 0.00% ,water: 41.56% 2025-09-01 00:53:49,952 - satellite_download_logger - INFO - L8 2025-08-04-09-59-54: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:53:49,953 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:53:49,953 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 109 2025-09-01 00:53:49,953 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 109 2025-09-01 00:53:49,953 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 109 2025-09-01 00:53:49,955 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 108 2025-09-01 00:53:50,177 - satellite_download_logger - INFO - L8 2025-08-11-10-05-45 cloud cover : 0.00% 2025-09-01 00:53:50,203 - satellite_download_logger - INFO - L8 2025-08-11-10-05-45: sand: 0.31% ,whitewater: 0.00% ,water: 41.90% 2025-09-01 00:53:50,203 - satellite_download_logger - INFO - L8 2025-08-11-10-05-45: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:53:50,204 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:53:50,204 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 110 2025-09-01 00:53:50,204 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 110 2025-09-01 00:53:50,204 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 110 2025-09-01 00:53:50,206 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 109 2025-09-01 00:53:50,426 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-09-01 00:53:50,434 - satellite_download_logger - INFO - L9 2025-08-03-10-05-39 cloud cover : 0.00% 2025-09-01 00:53:50,474 - satellite_download_logger - INFO - L9 2025-08-03-10-05-39: sand: 0.34% ,whitewater: 0.00% ,water: 41.83% 2025-09-01 00:53:50,474 - satellite_download_logger - INFO - L9 2025-08-03-10-05-39: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:53:50,475 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:53:50,475 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 104 2025-09-01 00:53:50,475 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 104 2025-09-01 00:53:50,475 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 104 2025-09-01 00:53:50,477 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 103 2025-09-01 00:53:50,679 - satellite_download_logger - INFO - L9 2025-08-03-10-06-03 cloud cover : 0.00% 2025-09-01 00:53:50,687 - satellite_download_logger - INFO - L9 2025-08-03-10-06-03: sand: 0.00% ,whitewater: 0.00% ,water: 0.00% 2025-09-01 00:53:50,687 - satellite_download_logger - INFO - L9 2025-08-03-10-06-03: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:53:50,688 - satellite_download_logger - ERROR - L9 2025-08-03-10-06-03: 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. 2025-09-01 00:53:50,692 - satellite_download_logger - WARNING - L9 2025-08-12-09-59-36: Skipped due to cloud cover 76.28% > threshold 10.00% 2025-09-01 00:53:50,695 - satellite_download_logger - WARNING - L9 2025-08-12-10-00-00: Skipped due to cloud cover 36.41% > threshold 10.00% 2025-09-01 00:53:50,698 - satellite_download_logger - INFO - L9 2025-08-19-10-05-50 cloud cover : 0.00% 2025-09-01 00:53:50,724 - satellite_download_logger - INFO - L9 2025-08-19-10-05-50: sand: 0.00% ,whitewater: 0.00% ,water: 41.90% 2025-09-01 00:53:50,724 - satellite_download_logger - INFO - L9 2025-08-19-10-05-50: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:53:50,726 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:53:50,726 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 107 2025-09-01 00:53:50,726 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 107 2025-09-01 00:53:50,726 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 107 2025-09-01 00:53:50,727 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 105 2025-09-01 00:53:50,930 - satellite_download_logger - INFO - L9 2025-08-28-09-59-40 cloud cover : 0.00% 2025-09-01 00:53:50,958 - satellite_download_logger - INFO - L9 2025-08-28-09-59-40: sand: 0.00% ,whitewater: 0.00% ,water: 39.56% 2025-09-01 00:53:50,958 - satellite_download_logger - INFO - L9 2025-08-28-09-59-40: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:53:50,959 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:53:50,959 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 102 2025-09-01 00:53:50,959 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 102 2025-09-01 00:53:50,960 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 102 2025-09-01 00:53:50,961 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 101 2025-09-01 00:53:51,236 - satellite_download_logger - WARNING - L9 2025-08-28-10-00-04: Skipped due to cloud cover 69.66% > threshold 10.00%