2025-08-01 00:01:16,819 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_074084_20250622 as 2025-06-22-22-11-07_L8_nzd0055_ms.tif 2025-08-01 00:01:22,375 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_074085_20250622 as 2025-06-22-22-11-31_L8_nzd0055_ms.tif 2025-08-01 00:01:29,109 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_075084_20250629 as 2025-06-29-22-17-21_L8_nzd0055_ms.tif 2025-08-01 00:01:35,971 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_075084_20250715 as 2025-07-15-22-17-25_L8_nzd0055_ms.tif 2025-08-01 00:01:42,892 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_074084_20250630 as 2025-06-30-22-11-07_L9_nzd0055_ms.tif 2025-08-01 00:01:48,629 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_074084_20250716 as 2025-07-16-22-11-13_L9_nzd0055_ms.tif 2025-08-01 00:01:54,125 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_074085_20250716 as 2025-07-16-22-11-36_L9_nzd0055_ms.tif 2025-08-01 00:01:58,696 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_075084_20250707 as 2025-07-07-22-17-19_L9_nzd0055_ms.tif 2025-08-01 00:02:06,198 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_075084_20250723 as 2025-07-23-22-17-27_L9_nzd0055_ms.tif 2025-08-01 00:02:06,227 - satellite_download_logger - INFO - Please read the following information carefully: 2025-08-01 00:02:06,227 - 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. 2025-08-01 00:02:06,227 - 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. 2025-08-01 00:02:06,227 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-08-01 00:02:06,229 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-08-01 00:02:06,230 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-08-01 00:02:06,230 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-08-01 00:02:06,231 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-08-01 00:02:06,239 - satellite_download_logger - WARNING - L8 2025-06-22-22-11-07: Skipped due to cloud cover 33.19% > threshold 10.00% 2025-08-01 00:02:06,242 - satellite_download_logger - INFO - L8 2025-06-22-22-11-31 cloud cover : 0.00% 2025-08-01 00:02:06,263 - satellite_download_logger - INFO - L8 2025-06-22-22-11-31: sand: 0.00% ,whitewater: 0.00% ,water: 2.87% 2025-08-01 00:02:06,264 - satellite_download_logger - INFO - L8 2025-06-22-22-11-31: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:02:06,275 - satellite_download_logger - ERROR - L8 2025-06-22-22-11-31: 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. 2025-08-01 00:02:06,281 - satellite_download_logger - INFO - L8 2025-06-29-22-17-21 cloud cover : 0.00% 2025-08-01 00:02:06,347 - satellite_download_logger - INFO - L8 2025-06-29-22-17-21: sand: 0.00% ,whitewater: 1.92% ,water: 11.98% 2025-08-01 00:02:06,348 - satellite_download_logger - INFO - L8 2025-06-29-22-17-21: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:02:06,349 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-08-01 00:02:06,350 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 96 2025-08-01 00:02:06,350 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 96 2025-08-01 00:02:06,350 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 96 2025-08-01 00:02:06,384 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 94 2025-08-01 00:02:06,723 - satellite_download_logger - INFO - L8 2025-07-15-22-17-25 cloud cover : 0.00% 2025-08-01 00:02:06,803 - satellite_download_logger - INFO - L8 2025-07-15-22-17-25: sand: 0.00% ,whitewater: 0.17% ,water: 53.64% 2025-08-01 00:02:06,804 - satellite_download_logger - INFO - L8 2025-07-15-22-17-25: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:02:06,806 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 4 shorelines. Number of shorelines after filtering shorelines: 2 shorelines 2025-08-01 00:02:06,806 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 310 2025-08-01 00:02:06,806 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 310 2025-08-01 00:02:06,806 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 310 2025-08-01 00:02:06,821 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 308 2025-08-01 00:02:07,236 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-08-01 00:02:07,245 - satellite_download_logger - WARNING - L9 2025-06-30-22-11-07: Skipped due to cloud cover 45.29% > threshold 10.00% 2025-08-01 00:02:07,250 - satellite_download_logger - INFO - L9 2025-07-07-22-17-19 cloud cover : 0.00% 2025-08-01 00:02:07,304 - satellite_download_logger - INFO - L9 2025-07-07-22-17-19: sand: 0.00% ,whitewater: 0.00% ,water: 0.00% 2025-08-01 00:02:07,305 - satellite_download_logger - INFO - L9 2025-07-07-22-17-19: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:02:07,307 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 12 shorelines. Number of shorelines after filtering shorelines: 2 shorelines 2025-08-01 00:02:07,307 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 135 2025-08-01 00:02:07,307 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 135 2025-08-01 00:02:07,307 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 135 2025-08-01 00:02:07,347 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 135 2025-08-01 00:02:08,020 - satellite_download_logger - WARNING - L9 2025-07-16-22-11-13: Skipped due to cloud cover 47.09% > threshold 10.00% 2025-08-01 00:02:08,023 - satellite_download_logger - INFO - L9 2025-07-16-22-11-36 cloud cover : 0.00% 2025-08-01 00:02:08,051 - satellite_download_logger - INFO - L9 2025-07-16-22-11-36: sand: 0.00% ,whitewater: 0.00% ,water: 25.11% 2025-08-01 00:02:08,051 - satellite_download_logger - INFO - L9 2025-07-16-22-11-36: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:02:08,057 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 0 shorelines 2025-08-01 00:02:08,204 - satellite_download_logger - INFO - L9 2025-07-23-22-17-27 cloud cover : 0.00% 2025-08-01 00:02:08,255 - satellite_download_logger - INFO - L9 2025-07-23-22-17-27: sand: 0.19% ,whitewater: 0.36% ,water: 15.02% 2025-08-01 00:02:08,256 - satellite_download_logger - INFO - L9 2025-07-23-22-17-27: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:02:08,257 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-08-01 00:02:08,257 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 93 2025-08-01 00:02:08,257 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 93 2025-08-01 00:02:08,257 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 93 2025-08-01 00:02:08,287 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 91