2025-08-01 00:29:14,036 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250624 as 2025-06-24-10-05-51_L8_sar0647_ms.tif 2025-08-01 00:29:18,516 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250710 as 2025-07-10-10-05-54_L8_sar0647_ms.tif 2025-08-01 00:29:22,817 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193033_20250624 as 2025-06-24-10-06-15_L8_sar0647_ms.tif 2025-08-01 00:29:27,247 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193033_20250710 as 2025-07-10-10-06-18_L8_sar0647_ms.tif 2025-08-01 00:29:31,578 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250702 as 2025-07-02-10-05-51_L9_sar0647_ms.tif 2025-08-01 00:29:35,001 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250718 as 2025-07-18-10-05-57_L9_sar0647_ms.tif 2025-08-01 00:29:39,400 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193033_20250702 as 2025-07-02-10-06-15_L9_sar0647_ms.tif 2025-08-01 00:29:45,392 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193033_20250718 as 2025-07-18-10-06-21_L9_sar0647_ms.tif 2025-08-01 00:29:45,431 - satellite_download_logger - INFO - Please read the following information carefully: 2025-08-01 00:29:45,431 - 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 00:29:45,431 - 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 00:29:45,431 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-08-01 00:29:45,433 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-08-01 00:29:45,434 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-08-01 00:29:45,435 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-08-01 00:29:45,436 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-08-01 00:29:45,440 - satellite_download_logger - INFO - L8 2025-06-24-10-05-51 cloud cover : 0.00% 2025-08-01 00:29:45,472 - satellite_download_logger - INFO - L8 2025-06-24-10-05-51: sand: 0.00% ,whitewater: 0.00% ,water: 51.84% 2025-08-01 00:29:45,473 - satellite_download_logger - INFO - L8 2025-06-24-10-05-51: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:29:45,474 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-08-01 00:29:45,474 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 102 2025-08-01 00:29:45,474 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 102 2025-08-01 00:29:45,474 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 102 2025-08-01 00:29:45,474 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 102 2025-08-01 00:29:45,724 - satellite_download_logger - INFO - L8 2025-06-24-10-06-15 cloud cover : 0.00% 2025-08-01 00:29:45,732 - satellite_download_logger - INFO - L8 2025-06-24-10-06-15: sand: 0.00% ,whitewater: 0.00% ,water: 8.33% 2025-08-01 00:29:45,732 - satellite_download_logger - INFO - L8 2025-06-24-10-06-15: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:29:45,733 - satellite_download_logger - ERROR - L8 2025-06-24-10-06-15: 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 00:29:45,738 - satellite_download_logger - INFO - L8 2025-07-10-10-05-54 cloud cover : 0.00% 2025-08-01 00:29:45,766 - satellite_download_logger - INFO - L8 2025-07-10-10-05-54: sand: 0.00% ,whitewater: 0.00% ,water: 51.51% 2025-08-01 00:29:45,766 - satellite_download_logger - INFO - L8 2025-07-10-10-05-54: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:29:45,767 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-08-01 00:29:45,768 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 103 2025-08-01 00:29:45,768 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 103 2025-08-01 00:29:45,768 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 103 2025-08-01 00:29:45,768 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 103 2025-08-01 00:29:46,317 - satellite_download_logger - INFO - L8 2025-07-10-10-06-18 cloud cover : 0.00% 2025-08-01 00:29:46,340 - satellite_download_logger - INFO - L8 2025-07-10-10-06-18: sand: 0.00% ,whitewater: 0.00% ,water: 23.71% 2025-08-01 00:29:46,341 - satellite_download_logger - INFO - L8 2025-07-10-10-06-18: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:29:46,342 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 0 shorelines 2025-08-01 00:29:46,549 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-08-01 00:29:46,590 - satellite_download_logger - WARNING - L9 2025-06-16-10-05-43: Skipped due to cloud cover 91.54% > threshold 10.00% 2025-08-01 00:29:46,593 - satellite_download_logger - INFO - L9 2025-07-02-10-05-51 cloud cover : 0.00% 2025-08-01 00:29:46,622 - satellite_download_logger - INFO - L9 2025-07-02-10-05-51: sand: 0.20% ,whitewater: 0.00% ,water: 51.90% 2025-08-01 00:29:46,623 - satellite_download_logger - INFO - L9 2025-07-02-10-05-51: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:29:46,624 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 2 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-08-01 00:29:46,624 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 103 2025-08-01 00:29:46,624 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 103 2025-08-01 00:29:46,624 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 103 2025-08-01 00:29:46,624 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 103 2025-08-01 00:29:46,879 - satellite_download_logger - INFO - L9 2025-07-02-10-06-15 cloud cover : 0.00% 2025-08-01 00:29:46,885 - satellite_download_logger - INFO - L9 2025-07-02-10-06-15: sand: 0.00% ,whitewater: 0.00% ,water: 6.86% 2025-08-01 00:29:46,885 - satellite_download_logger - INFO - L9 2025-07-02-10-06-15: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:29:46,886 - satellite_download_logger - ERROR - L9 2025-07-02-10-06-15: 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 00:29:46,889 - satellite_download_logger - INFO - L9 2025-07-18-10-05-57 cloud cover : 0.00% 2025-08-01 00:29:46,918 - satellite_download_logger - INFO - L9 2025-07-18-10-05-57: sand: 0.00% ,whitewater: 0.00% ,water: 51.54% 2025-08-01 00:29:46,918 - satellite_download_logger - INFO - L9 2025-07-18-10-05-57: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:29:46,919 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-08-01 00:29:46,919 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 101 2025-08-01 00:29:46,919 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 101 2025-08-01 00:29:46,919 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 101 2025-08-01 00:29:46,919 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 101 2025-08-01 00:29:47,170 - satellite_download_logger - INFO - L9 2025-07-18-10-06-21 cloud cover : 0.00% 2025-08-01 00:29:47,185 - satellite_download_logger - INFO - L9 2025-07-18-10-06-21: sand: 0.00% ,whitewater: 0.00% ,water: 15.78% 2025-08-01 00:29:47,185 - satellite_download_logger - INFO - L9 2025-07-18-10-06-21: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-08-01 00:29:47,186 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 0 shorelines