2025-09-01 01:06:15,669 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250726 as 2025-07-26-10-06-01_L8_sar2242_ms.tif 2025-09-01 01:06:19,991 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250811 as 2025-08-11-10-06-09_L8_sar2242_ms.tif 2025-09-01 01:06:26,374 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_194031_20250802 as 2025-08-02-10-11-50_L8_sar2242_ms.tif 2025-09-01 01:06:30,852 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_194031_20250818 as 2025-08-18-10-11-58_L8_sar2242_ms.tif 2025-09-01 01:06:35,226 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_194032_20250802 as 2025-08-02-10-12-14_L8_sar2242_ms.tif 2025-09-01 01:06:40,503 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_194032_20250818 as 2025-08-18-10-12-22_L8_sar2242_ms.tif 2025-09-01 01:06:44,947 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250819 as 2025-08-19-10-05-50_L9_sar2242_ms.tif 2025-09-01 01:06:49,208 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250803 as 2025-08-03-10-06-03_L9_sar2242_ms.tif 2025-09-01 01:06:53,511 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250819 as 2025-08-19-10-06-14_L9_sar2242_ms.tif 2025-09-01 01:06:57,852 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_194031_20250810 as 2025-08-10-10-11-57_L9_sar2242_ms.tif 2025-09-01 01:07:01,220 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_194031_20250826 as 2025-08-26-10-12-02_L9_sar2242_ms.tif 2025-09-01 01:07:05,506 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_194032_20250810 as 2025-08-10-10-12-20_L9_sar2242_ms.tif 2025-09-01 01:07:09,827 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_194032_20250826 as 2025-08-26-10-12-26_L9_sar2242_ms.tif 2025-09-01 01:07:09,874 - satellite_download_logger - INFO - Please read the following information carefully: 2025-09-01 01:07:09,874 - 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 01:07:09,874 - 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 01:07:09,874 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-09-01 01:07:09,876 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-09-01 01:07:09,877 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-09-01 01:07:09,877 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-09-01 01:07:09,879 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-09-01 01:07:09,882 - satellite_download_logger - INFO - L8 2025-07-26-10-06-01 cloud cover : 0.00% 2025-09-01 01:07:09,902 - satellite_download_logger - INFO - L8 2025-07-26-10-06-01: sand: 0.00% ,whitewater: 0.00% ,water: 48.36% 2025-09-01 01:07:09,902 - satellite_download_logger - INFO - L8 2025-07-26-10-06-01: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 01:07:09,903 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 01:07:09,903 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 88 2025-09-01 01:07:09,903 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 88 2025-09-01 01:07:09,903 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 88 2025-09-01 01:07:09,905 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 87 2025-09-01 01:07:10,120 - satellite_download_logger - INFO - L8 2025-08-02-10-11-50 cloud cover : 0.00% 2025-09-01 01:07:10,136 - satellite_download_logger - INFO - L8 2025-08-02-10-11-50: sand: 0.00% ,whitewater: 0.00% ,water: 48.88% 2025-09-01 01:07:10,136 - satellite_download_logger - INFO - L8 2025-08-02-10-11-50: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 01:07:10,137 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 01:07:10,137 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 84 2025-09-01 01:07:10,137 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 84 2025-09-01 01:07:10,137 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 84 2025-09-01 01:07:10,139 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 83 2025-09-01 01:07:10,294 - satellite_download_logger - INFO - L8 2025-08-02-10-12-14 cloud cover : 0.00% 2025-09-01 01:07:10,309 - satellite_download_logger - INFO - L8 2025-08-02-10-12-14: sand: 0.00% ,whitewater: 0.00% ,water: 48.53% 2025-09-01 01:07:10,309 - satellite_download_logger - INFO - L8 2025-08-02-10-12-14: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 01:07:10,311 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 01:07:10,311 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 84 2025-09-01 01:07:10,311 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 84 2025-09-01 01:07:10,311 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 84 2025-09-01 01:07:10,312 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 83 2025-09-01 01:07:10,463 - satellite_download_logger - INFO - L8 2025-08-11-10-06-09 cloud cover : 0.00% 2025-09-01 01:07:10,478 - satellite_download_logger - INFO - L8 2025-08-11-10-06-09: sand: 0.00% ,whitewater: 0.00% ,water: 49.48% 2025-09-01 01:07:10,478 - satellite_download_logger - INFO - L8 2025-08-11-10-06-09: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 01:07:10,480 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 01:07:10,480 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 88 2025-09-01 01:07:10,480 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 88 2025-09-01 01:07:10,480 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 88 2025-09-01 01:07:10,481 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 87 2025-09-01 01:07:10,630 - satellite_download_logger - INFO - L8 2025-08-18-10-11-58 cloud cover : 0.00% 2025-09-01 01:07:10,645 - satellite_download_logger - INFO - L8 2025-08-18-10-11-58: sand: 0.00% ,whitewater: 0.00% ,water: 49.31% 2025-09-01 01:07:10,645 - satellite_download_logger - INFO - L8 2025-08-18-10-11-58: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 01:07:10,646 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 01:07:10,646 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 90 2025-09-01 01:07:10,646 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 90 2025-09-01 01:07:10,646 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 90 2025-09-01 01:07:10,648 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 89 2025-09-01 01:07:10,797 - satellite_download_logger - INFO - L8 2025-08-18-10-12-22 cloud cover : 0.00% 2025-09-01 01:07:10,812 - satellite_download_logger - INFO - L8 2025-08-18-10-12-22: sand: 0.00% ,whitewater: 0.00% ,water: 49.40% 2025-09-01 01:07:10,813 - satellite_download_logger - INFO - L8 2025-08-18-10-12-22: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 01:07:10,814 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 01:07:10,814 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 88 2025-09-01 01:07:10,814 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 88 2025-09-01 01:07:10,814 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 88 2025-09-01 01:07:10,815 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 87 2025-09-01 01:07:10,965 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-09-01 01:07:10,969 - satellite_download_logger - INFO - L9 2025-08-03-10-06-03 cloud cover : 0.00% 2025-09-01 01:07:10,984 - satellite_download_logger - INFO - L9 2025-08-03-10-06-03: sand: 0.00% ,whitewater: 0.00% ,water: 47.24% 2025-09-01 01:07:10,984 - 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 01:07:10,986 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 01:07:10,986 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 91 2025-09-01 01:07:10,986 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 91 2025-09-01 01:07:10,986 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 91 2025-09-01 01:07:10,987 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 90 2025-09-01 01:07:11,134 - satellite_download_logger - INFO - L9 2025-08-10-10-11-57 cloud cover : 0.00% 2025-09-01 01:07:11,150 - satellite_download_logger - INFO - L9 2025-08-10-10-11-57: sand: 0.00% ,whitewater: 0.00% ,water: 49.40% 2025-09-01 01:07:11,151 - satellite_download_logger - INFO - L9 2025-08-10-10-11-57: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 01:07:11,152 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 01:07:11,152 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 91 2025-09-01 01:07:11,152 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 91 2025-09-01 01:07:11,152 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 91 2025-09-01 01:07:11,153 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 89 2025-09-01 01:07:11,299 - satellite_download_logger - INFO - L9 2025-08-10-10-12-20 cloud cover : 0.00% 2025-09-01 01:07:11,318 - satellite_download_logger - INFO - L9 2025-08-10-10-12-20: sand: 0.00% ,whitewater: 0.00% ,water: 49.40% 2025-09-01 01:07:11,318 - satellite_download_logger - INFO - L9 2025-08-10-10-12-20: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 01:07:11,320 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 01:07:11,320 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 93 2025-09-01 01:07:11,320 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 93 2025-09-01 01:07:11,320 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 93 2025-09-01 01:07:11,321 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 91 2025-09-01 01:07:11,466 - satellite_download_logger - INFO - L9 2025-08-19-10-05-50 cloud cover : 0.00% 2025-09-01 01:07:11,473 - satellite_download_logger - INFO - L9 2025-08-19-10-05-50: sand: 0.00% ,whitewater: 0.00% ,water: 0.00% 2025-09-01 01:07:11,473 - 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 01:07:11,474 - satellite_download_logger - ERROR - L9 2025-08-19-10-05-50: 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. 2025-09-01 01:07:11,477 - satellite_download_logger - INFO - L9 2025-08-19-10-06-14 cloud cover : 0.00% 2025-09-01 01:07:11,492 - satellite_download_logger - INFO - L9 2025-08-19-10-06-14: sand: 0.00% ,whitewater: 0.00% ,water: 48.97% 2025-09-01 01:07:11,492 - satellite_download_logger - INFO - L9 2025-08-19-10-06-14: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 01:07:11,493 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 01:07:11,493 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 85 2025-09-01 01:07:11,493 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 85 2025-09-01 01:07:11,493 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 85 2025-09-01 01:07:11,495 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 83 2025-09-01 01:07:11,912 - satellite_download_logger - INFO - L9 2025-08-26-10-12-02 cloud cover : 0.00% 2025-09-01 01:07:11,928 - satellite_download_logger - INFO - L9 2025-08-26-10-12-02: sand: 0.00% ,whitewater: 0.00% ,water: 48.97% 2025-09-01 01:07:11,928 - satellite_download_logger - INFO - L9 2025-08-26-10-12-02: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 01:07:11,929 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 01:07:11,929 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 88 2025-09-01 01:07:11,929 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 88 2025-09-01 01:07:11,929 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 88 2025-09-01 01:07:11,930 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 87 2025-09-01 01:07:12,158 - satellite_download_logger - INFO - L9 2025-08-26-10-12-26 cloud cover : 0.00% 2025-09-01 01:07:12,181 - satellite_download_logger - INFO - L9 2025-08-26-10-12-26: sand: 0.00% ,whitewater: 0.00% ,water: 49.22% 2025-09-01 01:07:12,181 - satellite_download_logger - INFO - L9 2025-08-26-10-12-26: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 01:07:12,182 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 01:07:12,182 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 89 2025-09-01 01:07:12,182 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 89 2025-09-01 01:07:12,182 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 89 2025-09-01 01:07:12,184 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 87