2025-10-01 01:15:17,446 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192032_20250905 as 2025-09-05-10-00-04_L8_sar1697_ms.tif 2025-10-01 01:15:22,055 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193031_20250827 as 2025-08-27-10-05-47_L8_sar1697_ms.tif 2025-10-01 01:15:26,617 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193031_20250912 as 2025-09-12-10-05-53_L8_sar1697_ms.tif 2025-10-01 01:15:29,985 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250827 as 2025-08-27-10-06-10_L8_sar1697_ms.tif 2025-10-01 01:15:35,839 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250912 as 2025-09-12-10-06-16_L8_sar1697_ms.tif 2025-10-01 01:15:40,074 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192031_20250913 as 2025-09-13-09-59-46_L9_sar1697_ms.tif 2025-10-01 01:15:45,526 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192032_20250913 as 2025-09-13-10-00-10_L9_sar1697_ms.tif 2025-10-01 01:15:49,181 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250904 as 2025-09-04-10-05-55_L9_sar1697_ms.tif 2025-10-01 01:15:55,512 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250920 as 2025-09-20-10-05-58_L9_sar1697_ms.tif 2025-10-01 01:16:03,194 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250904 as 2025-09-04-10-06-19_L9_sar1697_ms.tif 2025-10-01 01:16:06,549 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250920 as 2025-09-20-10-06-22_L9_sar1697_ms.tif 2025-10-01 01:16:06,611 - satellite_download_logger - INFO - Please read the following information carefully: 2025-10-01 01:16:06,611 - 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. 2025-10-01 01:16:06,611 - 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. 2025-10-01 01:16:06,611 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-10-01 01:16:06,613 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-10-01 01:16:06,615 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-10-01 01:16:06,615 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-10-01 01:16:06,616 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-10-01 01:16:06,627 - satellite_download_logger - WARNING - L8 2025-08-20-10-00-00: Skipped due to cloud cover 92.10% > threshold 10.00% 2025-10-01 01:16:06,630 - satellite_download_logger - INFO - L8 2025-08-27-10-05-47 cloud cover : 0.00% 2025-10-01 01:16:06,654 - satellite_download_logger - INFO - L8 2025-08-27-10-05-47: sand: 0.00% ,whitewater: 0.00% ,water: 58.63% 2025-10-01 01:16:06,654 - satellite_download_logger - INFO - L8 2025-08-27-10-05-47: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:16:06,655 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:16:06,655 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 101 2025-10-01 01:16:06,655 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 101 2025-10-01 01:16:06,655 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 101 2025-10-01 01:16:06,655 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 101 2025-10-01 01:16:06,946 - satellite_download_logger - INFO - L8 2025-08-27-10-06-10 cloud cover : 0.00% 2025-10-01 01:16:06,976 - satellite_download_logger - INFO - L8 2025-08-27-10-06-10: sand: 0.00% ,whitewater: 0.00% ,water: 58.55% 2025-10-01 01:16:06,977 - satellite_download_logger - INFO - L8 2025-08-27-10-06-10: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:16:06,978 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:16:06,978 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 101 2025-10-01 01:16:06,978 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 101 2025-10-01 01:16:06,978 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 101 2025-10-01 01:16:06,978 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 101 2025-10-01 01:16:07,278 - satellite_download_logger - INFO - L8 2025-09-05-10-00-04 cloud cover : 0.00% 2025-10-01 01:16:07,298 - satellite_download_logger - INFO - L8 2025-09-05-10-00-04: sand: 0.00% ,whitewater: 0.00% ,water: 59.60% 2025-10-01 01:16:07,299 - satellite_download_logger - INFO - L8 2025-09-05-10-00-04: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:16:07,300 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:16:07,300 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 98 2025-10-01 01:16:07,301 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 98 2025-10-01 01:16:07,301 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 98 2025-10-01 01:16:07,301 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 98 2025-10-01 01:16:07,562 - satellite_download_logger - INFO - L8 2025-09-12-10-05-53 cloud cover : 0.00% 2025-10-01 01:16:07,583 - satellite_download_logger - INFO - L8 2025-09-12-10-05-53: sand: 0.00% ,whitewater: 0.00% ,water: 60.40% 2025-10-01 01:16:07,584 - satellite_download_logger - INFO - L8 2025-09-12-10-05-53: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:16:07,585 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:16:07,585 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 98 2025-10-01 01:16:07,585 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 98 2025-10-01 01:16:07,585 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 98 2025-10-01 01:16:07,585 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 98 2025-10-01 01:16:07,854 - satellite_download_logger - INFO - L8 2025-09-12-10-06-16 cloud cover : 0.00% 2025-10-01 01:16:07,875 - satellite_download_logger - INFO - L8 2025-09-12-10-06-16: sand: 0.00% ,whitewater: 0.00% ,water: 60.08% 2025-10-01 01:16:07,875 - satellite_download_logger - INFO - L8 2025-09-12-10-06-16: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:16:07,876 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:16:07,876 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 98 2025-10-01 01:16:07,876 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 98 2025-10-01 01:16:07,876 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 98 2025-10-01 01:16:07,876 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 98 2025-10-01 01:16:08,161 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-10-01 01:16:08,196 - satellite_download_logger - WARNING - L9 2025-08-28-10-00-04: Skipped due to cloud cover 37.42% > threshold 10.00% 2025-10-01 01:16:08,198 - satellite_download_logger - INFO - L9 2025-09-04-10-05-55 cloud cover : 0.00% 2025-10-01 01:16:08,216 - satellite_download_logger - INFO - L9 2025-09-04-10-05-55: sand: 0.00% ,whitewater: 0.00% ,water: 59.44% 2025-10-01 01:16:08,217 - satellite_download_logger - INFO - L9 2025-09-04-10-05-55: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:16:08,218 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:16:08,218 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 92 2025-10-01 01:16:08,218 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 92 2025-10-01 01:16:08,218 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 92 2025-10-01 01:16:08,218 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 92 2025-10-01 01:16:08,490 - satellite_download_logger - INFO - L9 2025-09-04-10-06-19 cloud cover : 0.00% 2025-10-01 01:16:08,509 - satellite_download_logger - INFO - L9 2025-09-04-10-06-19: sand: 0.00% ,whitewater: 0.00% ,water: 59.60% 2025-10-01 01:16:08,509 - satellite_download_logger - INFO - L9 2025-09-04-10-06-19: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:16:08,510 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:16:08,510 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 92 2025-10-01 01:16:08,510 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 92 2025-10-01 01:16:08,510 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 92 2025-10-01 01:16:08,510 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 92 2025-10-01 01:16:08,785 - satellite_download_logger - INFO - L9 2025-09-13-09-59-46 cloud cover : 0.00% 2025-10-01 01:16:08,793 - satellite_download_logger - INFO - L9 2025-09-13-09-59-46: sand: 0.00% ,whitewater: 0.00% ,water: 31.25% 2025-10-01 01:16:08,793 - satellite_download_logger - INFO - L9 2025-09-13-09-59-46: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:16:08,795 - satellite_download_logger - ERROR - L9 2025-09-13-09-59-46: 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. 2025-10-01 01:16:08,798 - satellite_download_logger - INFO - L9 2025-09-13-10-00-10 cloud cover : 0.00% 2025-10-01 01:16:08,820 - satellite_download_logger - INFO - L9 2025-09-13-10-00-10: sand: 0.00% ,whitewater: 0.00% ,water: 60.16% 2025-10-01 01:16:08,821 - satellite_download_logger - INFO - L9 2025-09-13-10-00-10: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:16:08,822 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:16:08,822 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 94 2025-10-01 01:16:08,822 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 94 2025-10-01 01:16:08,822 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 94 2025-10-01 01:16:08,822 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 94 2025-10-01 01:16:09,105 - satellite_download_logger - INFO - L9 2025-09-20-10-05-58 cloud cover : 0.00% 2025-10-01 01:16:09,125 - satellite_download_logger - INFO - L9 2025-09-20-10-05-58: sand: 0.00% ,whitewater: 0.00% ,water: 59.76% 2025-10-01 01:16:09,125 - satellite_download_logger - INFO - L9 2025-09-20-10-05-58: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:16:09,127 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:16:09,127 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 92 2025-10-01 01:16:09,127 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 92 2025-10-01 01:16:09,127 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 92 2025-10-01 01:16:09,127 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 92 2025-10-01 01:16:09,393 - satellite_download_logger - INFO - L9 2025-09-20-10-06-22 cloud cover : 0.00% 2025-10-01 01:16:09,414 - satellite_download_logger - INFO - L9 2025-09-20-10-06-22: sand: 0.00% ,whitewater: 0.00% ,water: 59.84% 2025-10-01 01:16:09,414 - satellite_download_logger - INFO - L9 2025-09-20-10-06-22: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-10-01 01:16:09,416 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:16:09,416 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 92 2025-10-01 01:16:09,416 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 92 2025-10-01 01:16:09,416 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 92 2025-10-01 01:16:09,416 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 92