2025-10-01 01:15:03,081 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192032_20250905 as 2025-09-05-10-00-04_L8_sar1696_ms.tif 2025-10-01 01:15:08,424 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193031_20250827 as 2025-08-27-10-05-47_L8_sar1696_ms.tif 2025-10-01 01:15:12,937 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193031_20250912 as 2025-09-12-10-05-53_L8_sar1696_ms.tif 2025-10-01 01:15:17,461 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250827 as 2025-08-27-10-06-10_L8_sar1696_ms.tif 2025-10-01 01:15:20,713 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250912 as 2025-09-12-10-06-16_L8_sar1696_ms.tif 2025-10-01 01:15:25,210 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192031_20250913 as 2025-09-13-09-59-46_L9_sar1696_ms.tif 2025-10-01 01:15:30,668 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192032_20250913 as 2025-09-13-10-00-10_L9_sar1696_ms.tif 2025-10-01 01:15:34,964 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250904 as 2025-09-04-10-05-55_L9_sar1696_ms.tif 2025-10-01 01:15:38,298 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250920 as 2025-09-20-10-05-58_L9_sar1696_ms.tif 2025-10-01 01:15:41,734 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250904 as 2025-09-04-10-06-19_L9_sar1696_ms.tif 2025-10-01 01:15:45,178 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250920 as 2025-09-20-10-06-22_L9_sar1696_ms.tif 2025-10-01 01:15:45,245 - satellite_download_logger - INFO - Please read the following information carefully: 2025-10-01 01:15:45,245 - 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 01:15:45,245 - 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 01:15:45,245 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-10-01 01:15:45,247 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-10-01 01:15:45,248 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-10-01 01:15:45,248 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-10-01 01:15:45,250 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-10-01 01:15:45,291 - satellite_download_logger - WARNING - L8 2025-08-20-10-00-00: Skipped due to cloud cover 88.32% > threshold 10.00% 2025-10-01 01:15:45,298 - satellite_download_logger - INFO - L8 2025-08-27-10-05-47 cloud cover : 0.00% 2025-10-01 01:15:45,323 - satellite_download_logger - INFO - L8 2025-08-27-10-05-47: sand: 0.00% ,whitewater: 0.00% ,water: 44.08% 2025-10-01 01:15:45,323 - 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 01:15:45,325 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:15:45,325 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 113 2025-10-01 01:15:45,325 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 113 2025-10-01 01:15:45,325 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 113 2025-10-01 01:15:45,326 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 113 2025-10-01 01:15:45,631 - satellite_download_logger - INFO - L8 2025-08-27-10-06-10 cloud cover : 0.00% 2025-10-01 01:15:45,669 - satellite_download_logger - INFO - L8 2025-08-27-10-06-10: sand: 0.00% ,whitewater: 0.00% ,water: 43.96% 2025-10-01 01:15:45,670 - 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 01:15:45,671 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:15:45,671 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 113 2025-10-01 01:15:45,671 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 113 2025-10-01 01:15:45,671 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 113 2025-10-01 01:15:45,673 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 113 2025-10-01 01:15:46,281 - satellite_download_logger - INFO - L8 2025-09-05-10-00-04 cloud cover : 0.00% 2025-10-01 01:15:46,317 - satellite_download_logger - INFO - L8 2025-09-05-10-00-04: sand: 0.00% ,whitewater: 0.00% ,water: 44.50% 2025-10-01 01:15:46,317 - 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 01:15:46,319 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:15:46,319 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 118 2025-10-01 01:15:46,319 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 118 2025-10-01 01:15:46,319 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 118 2025-10-01 01:15:46,321 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 118 2025-10-01 01:15:46,568 - satellite_download_logger - INFO - L8 2025-09-12-10-05-53 cloud cover : 0.00% 2025-10-01 01:15:46,600 - satellite_download_logger - INFO - L8 2025-09-12-10-05-53: sand: 0.00% ,whitewater: 0.00% ,water: 45.41% 2025-10-01 01:15:46,600 - 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 01:15:46,601 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:15:46,601 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 114 2025-10-01 01:15:46,601 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 114 2025-10-01 01:15:46,601 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 114 2025-10-01 01:15:46,603 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 114 2025-10-01 01:15:46,856 - satellite_download_logger - INFO - L8 2025-09-12-10-06-16 cloud cover : 0.00% 2025-10-01 01:15:46,877 - satellite_download_logger - INFO - L8 2025-09-12-10-06-16: sand: 0.00% ,whitewater: 0.00% ,water: 45.11% 2025-10-01 01:15:46,877 - 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 01:15:46,878 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:15:46,878 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 111 2025-10-01 01:15:46,878 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 111 2025-10-01 01:15:46,878 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 111 2025-10-01 01:15:46,880 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 111 2025-10-01 01:15:48,085 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-10-01 01:15:48,103 - satellite_download_logger - WARNING - L9 2025-08-28-10-00-04: Skipped due to cloud cover 39.75% > threshold 10.00% 2025-10-01 01:15:48,110 - satellite_download_logger - INFO - L9 2025-09-04-10-05-55 cloud cover : 0.00% 2025-10-01 01:15:48,152 - satellite_download_logger - INFO - L9 2025-09-04-10-05-55: sand: 0.00% ,whitewater: 0.00% ,water: 44.87% 2025-10-01 01:15:48,153 - 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 01:15:48,155 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:15:48,155 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 108 2025-10-01 01:15:48,155 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 108 2025-10-01 01:15:48,155 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 108 2025-10-01 01:15:48,157 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 108 2025-10-01 01:15:48,432 - satellite_download_logger - INFO - L9 2025-09-04-10-06-19 cloud cover : 0.00% 2025-10-01 01:15:48,466 - satellite_download_logger - INFO - L9 2025-09-04-10-06-19: sand: 0.00% ,whitewater: 0.00% ,water: 44.81% 2025-10-01 01:15:48,467 - 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 01:15:48,468 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:15:48,468 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 110 2025-10-01 01:15:48,468 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 110 2025-10-01 01:15:48,468 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 110 2025-10-01 01:15:48,470 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 110 2025-10-01 01:15:48,754 - satellite_download_logger - INFO - L9 2025-09-13-09-59-46 cloud cover : 0.00% 2025-10-01 01:15:48,759 - satellite_download_logger - INFO - L9 2025-09-13-09-59-46: sand: 0.00% ,whitewater: 0.00% ,water: 12.50% 2025-10-01 01:15:48,759 - 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 01:15:48,762 - 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 01:15:48,766 - satellite_download_logger - INFO - L9 2025-09-13-10-00-10 cloud cover : 0.00% 2025-10-01 01:15:48,789 - satellite_download_logger - INFO - L9 2025-09-13-10-00-10: sand: 0.00% ,whitewater: 0.00% ,water: 45.41% 2025-10-01 01:15:48,789 - 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 01:15:48,790 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:15:48,790 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 114 2025-10-01 01:15:48,790 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 114 2025-10-01 01:15:48,790 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 114 2025-10-01 01:15:48,792 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 114 2025-10-01 01:15:49,032 - satellite_download_logger - INFO - L9 2025-09-20-10-05-58 cloud cover : 0.00% 2025-10-01 01:15:49,056 - satellite_download_logger - INFO - L9 2025-09-20-10-05-58: sand: 0.00% ,whitewater: 0.00% ,water: 45.41% 2025-10-01 01:15:49,056 - 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 01:15:49,057 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:15:49,058 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 112 2025-10-01 01:15:49,058 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 112 2025-10-01 01:15:49,058 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 112 2025-10-01 01:15:49,059 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 112 2025-10-01 01:15:49,308 - satellite_download_logger - INFO - L9 2025-09-20-10-06-22 cloud cover : 0.00% 2025-10-01 01:15:49,333 - satellite_download_logger - INFO - L9 2025-09-20-10-06-22: sand: 0.00% ,whitewater: 0.00% ,water: 45.05% 2025-10-01 01:15:49,333 - 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 01:15:49,335 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-10-01 01:15:49,335 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 110 2025-10-01 01:15:49,335 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 110 2025-10-01 01:15:49,335 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 110 2025-10-01 01:15:49,336 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 110