2025-12-01 02:53:16,256 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192031_20251007 as 2025-10-07-09-59-48_L8_sar1718_ms.tif 2025-12-01 02:53:20,396 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192031_20251108 as 2025-11-08-09-59-50_L8_sar1718_ms.tif 2025-12-01 02:53:23,569 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192032_20251007 as 2025-10-07-10-00-12_L8_sar1718_ms.tif 2025-12-01 02:53:26,712 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC08/C02/T1_TOA/LC08_192032_20251023 that failed. Failed to open the image file data/sar1718/L8/ms/2025-10-23-10-00-10_L8_sar1718_ms.tif 2025-12-01 02:53:31,014 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192032_20251108 as 2025-11-08-10-00-14_L8_sar1718_ms.tif 2025-12-01 02:53:34,268 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193031_20251014 as 2025-10-14-10-06-00_L8_sar1718_ms.tif 2025-12-01 02:53:37,429 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC08/C02/T1_TOA/LC08_193032_20251014 that failed. Failed to open the image file data/sar1718/L8/ms/2025-10-14-10-06-24_L8_sar1718_ms.tif 2025-12-01 02:53:40,766 - 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/sar1718/L9/ms/2025-10-15-09-59-56_L9_sar1718_ms.tif 2025-12-01 02:53:43,929 - 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/sar1718/L9/ms/2025-10-15-10-00-20_L9_sar1718_ms.tif 2025-12-01 02:53:47,220 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192032_20251031 as 2025-10-31-10-00-14_L9_sar1718_ms.tif 2025-12-01 02:53:51,440 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_192032_20251116 that failed. Failed to open the image file data/sar1718/L9/ms/2025-11-16-10-00-18_L9_sar1718_ms.tif 2025-12-01 02:53:55,703 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20251107 as 2025-11-07-10-06-06_L9_sar1718_ms.tif 2025-12-01 02:53:59,952 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20251123 as 2025-11-23-10-06-03_L9_sar1718_ms.tif 2025-12-01 02:54:04,169 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20251107 as 2025-11-07-10-06-30_L9_sar1718_ms.tif 2025-12-01 02:54:08,472 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20251123 as 2025-11-23-10-06-27_L9_sar1718_ms.tif 2025-12-01 02:54:08,528 - satellite_download_logger - INFO - Please read the following information carefully: 2025-12-01 02:54:08,528 - 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. 2025-12-01 02:54:08,528 - 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. 2025-12-01 02:54:08,528 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-12-01 02:54:08,530 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-12-01 02:54:08,531 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-12-01 02:54:08,531 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-12-01 02:54:08,533 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-12-01 02:54:08,536 - satellite_download_logger - INFO - L8 2025-10-07-09-59-48 cloud cover : 0.00% 2025-12-01 02:54:08,543 - satellite_download_logger - INFO - L8 2025-10-07-09-59-48: sand: 0.00% ,whitewater: 0.00% ,water: 9.52% 2025-12-01 02:54:08,543 - satellite_download_logger - INFO - L8 2025-10-07-09-59-48: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-12-01 02:54:08,545 - satellite_download_logger - ERROR - L8 2025-10-07-09-59-48: 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/python3.12/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. 2025-12-01 02:54:08,548 - satellite_download_logger - INFO - L8 2025-10-07-10-00-12 cloud cover : 0.00% 2025-12-01 02:54:08,565 - satellite_download_logger - INFO - L8 2025-10-07-10-00-12: sand: 0.83% ,whitewater: 0.00% ,water: 40.98% 2025-12-01 02:54:08,565 - satellite_download_logger - INFO - L8 2025-10-07-10-00-12: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-12-01 02:54:08,566 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-12-01 02:54:08,566 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 80 2025-12-01 02:54:08,566 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 80 2025-12-01 02:54:08,566 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 80 2025-12-01 02:54:08,568 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 80 2025-12-01 02:54:08,741 - satellite_download_logger - INFO - L8 2025-10-14-10-06-00 cloud cover : 0.00% 2025-12-01 02:54:08,759 - satellite_download_logger - INFO - L8 2025-10-14-10-06-00: sand: 0.00% ,whitewater: 0.00% ,water: 0.00% 2025-12-01 02:54:08,759 - satellite_download_logger - INFO - L8 2025-10-14-10-06-00: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-12-01 02:54:08,761 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 11 shorelines. Number of shorelines after filtering shorelines: 4 shorelines 2025-12-01 02:54:08,761 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 248 2025-12-01 02:54:08,761 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 248 2025-12-01 02:54:08,761 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 248 2025-12-01 02:54:08,765 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 239 2025-12-01 02:54:08,937 - satellite_download_logger - WARNING - L8 2025-11-08-09-59-50: Skipped due to cloud cover 42.55% > threshold 10.00% 2025-12-01 02:54:08,940 - satellite_download_logger - INFO - L8 2025-11-08-10-00-14 cloud cover : 4.04% 2025-12-01 02:54:08,959 - satellite_download_logger - INFO - L8 2025-11-08-10-00-14: sand: 0.00% ,whitewater: 0.00% ,water: 26.36% 2025-12-01 02:54:08,959 - satellite_download_logger - INFO - L8 2025-11-08-10-00-14: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-12-01 02:54:08,960 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 4 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-12-01 02:54:08,960 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 56 2025-12-01 02:54:08,961 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 32 2025-12-01 02:54:08,961 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 32 2025-12-01 02:54:08,962 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 32 2025-12-01 02:54:09,147 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-12-01 02:54:09,152 - satellite_download_logger - INFO - L9 2025-10-31-10-00-14 cloud cover : 0.00% 2025-12-01 02:54:09,172 - satellite_download_logger - INFO - L9 2025-10-31-10-00-14: sand: 0.00% ,whitewater: 0.00% ,water: 18.41% 2025-12-01 02:54:09,172 - satellite_download_logger - INFO - L9 2025-10-31-10-00-14: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-12-01 02:54:09,174 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 3 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-12-01 02:54:09,174 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 71 2025-12-01 02:54:09,174 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 71 2025-12-01 02:54:09,174 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 71 2025-12-01 02:54:09,175 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 66 2025-12-01 02:54:09,345 - satellite_download_logger - INFO - L9 2025-11-07-10-06-06 cloud cover : 0.00% 2025-12-01 02:54:09,363 - satellite_download_logger - INFO - L9 2025-11-07-10-06-06: sand: 0.00% ,whitewater: 0.00% ,water: 86.52% 2025-12-01 02:54:09,363 - satellite_download_logger - INFO - L9 2025-11-07-10-06-06: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-12-01 02:54:09,364 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 4 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-12-01 02:54:09,364 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 87 2025-12-01 02:54:09,364 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 87 2025-12-01 02:54:09,364 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 87 2025-12-01 02:54:09,366 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 87 2025-12-01 02:54:09,525 - satellite_download_logger - INFO - L9 2025-11-07-10-06-30 cloud cover : 0.00% 2025-12-01 02:54:09,544 - satellite_download_logger - INFO - L9 2025-11-07-10-06-30: sand: 0.00% ,whitewater: 0.00% ,water: 86.97% 2025-12-01 02:54:09,545 - satellite_download_logger - INFO - L9 2025-11-07-10-06-30: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-12-01 02:54:09,546 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 4 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-12-01 02:54:09,546 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 89 2025-12-01 02:54:09,546 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 89 2025-12-01 02:54:09,546 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 89 2025-12-01 02:54:09,548 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 89 2025-12-01 02:54:09,722 - satellite_download_logger - WARNING - L9 2025-11-23-10-06-03: Skipped due to cloud cover 31.23% > threshold 10.00% 2025-12-01 02:54:09,725 - satellite_download_logger - INFO - L9 2025-11-23-10-06-27 cloud cover : 0.00% 2025-12-01 02:54:09,740 - satellite_download_logger - INFO - L9 2025-11-23-10-06-27: sand: 0.00% ,whitewater: 0.00% ,water: 40.98% 2025-12-01 02:54:09,741 - satellite_download_logger - INFO - L9 2025-11-23-10-06-27: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-12-01 02:54:09,742 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 4 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-12-01 02:54:09,742 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 101 2025-12-01 02:54:09,742 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 101 2025-12-01 02:54:09,742 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 101 2025-12-01 02:54:09,744 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 101