2025-09-01 00:52:52,164 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192031_20250820 as 2025-08-20-09-59-36_L8_sar1735_ms.tif 2025-09-01 00:52:58,509 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192032_20250804 as 2025-08-04-09-59-54_L8_sar1735_ms.tif 2025-09-01 00:53:02,673 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC08/C02/T1_TOA/LC08_192032_20250820 that failed. Failed to open the image file data/sar1735/L8/ms/2025-08-20-10-00-00_L8_sar1735_ms.tif 2025-09-01 00:53:07,946 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193031_20250811 as 2025-08-11-10-05-45_L8_sar1735_ms.tif 2025-09-01 00:53:12,310 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250811 as 2025-08-11-10-06-09_L8_sar1735_ms.tif 2025-09-01 00:53:16,636 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_192031_20250812 that failed. Failed to open the image file data/sar1735/L9/ms/2025-08-12-09-59-36_L9_sar1735_ms.tif 2025-09-01 00:53:21,836 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192031_20250828 as 2025-08-28-09-59-40_L9_sar1735_ms.tif 2025-09-01 00:53:26,234 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_192032_20250812 that failed. Failed to open the image file data/sar1735/L9/ms/2025-08-12-10-00-00_L9_sar1735_ms.tif 2025-09-01 00:53:30,650 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192032_20250828 as 2025-08-28-10-00-04_L9_sar1735_ms.tif 2025-09-01 00:53:34,505 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250803 as 2025-08-03-10-05-39_L9_sar1735_ms.tif 2025-09-01 00:53:38,975 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250819 as 2025-08-19-10-05-50_L9_sar1735_ms.tif 2025-09-01 00:53:42,283 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250803 as 2025-08-03-10-06-03_L9_sar1735_ms.tif 2025-09-01 00:53:45,733 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250819 as 2025-08-19-10-06-14_L9_sar1735_ms.tif 2025-09-01 00:53:45,786 - satellite_download_logger - INFO - Please read the following information carefully: 2025-09-01 00:53:45,786 - 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 00:53:45,786 - 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 00:53:45,786 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-09-01 00:53:45,788 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-09-01 00:53:45,789 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-09-01 00:53:45,789 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-09-01 00:53:45,791 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-09-01 00:53:45,796 - satellite_download_logger - WARNING - L8 2025-08-04-09-59-54: Skipped due to cloud cover 34.20% > threshold 10.00% 2025-09-01 00:53:45,800 - satellite_download_logger - INFO - L8 2025-08-11-10-05-45 cloud cover : 0.00% 2025-09-01 00:53:45,826 - satellite_download_logger - INFO - L8 2025-08-11-10-05-45: sand: 0.00% ,whitewater: 0.00% ,water: 51.84% 2025-09-01 00:53:45,826 - satellite_download_logger - INFO - L8 2025-08-11-10-05-45: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:53:45,828 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 4 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:53:45,828 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 244 2025-09-01 00:53:45,829 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 244 2025-09-01 00:53:45,829 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 244 2025-09-01 00:53:45,829 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 244 2025-09-01 00:53:46,131 - satellite_download_logger - INFO - L8 2025-08-11-10-06-09 cloud cover : 0.00% 2025-09-01 00:53:46,158 - satellite_download_logger - INFO - L8 2025-08-11-10-06-09: sand: 0.00% ,whitewater: 0.00% ,water: 51.91% 2025-09-01 00:53:46,158 - 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 00:53:46,160 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 3 shorelines. Number of shorelines after filtering shorelines: 2 shorelines 2025-09-01 00:53:46,160 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 244 2025-09-01 00:53:46,160 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 244 2025-09-01 00:53:46,160 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 244 2025-09-01 00:53:46,160 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 244 2025-09-01 00:53:46,414 - satellite_download_logger - INFO - L8 2025-08-20-09-59-36 cloud cover : 0.00% 2025-09-01 00:53:46,422 - satellite_download_logger - INFO - L8 2025-08-20-09-59-36: sand: 0.00% ,whitewater: 0.00% ,water: 0.00% 2025-09-01 00:53:46,423 - satellite_download_logger - INFO - L8 2025-08-20-09-59-36: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:53:46,424 - satellite_download_logger - ERROR - L8 2025-08-20-09-59-36: 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 00:53:46,426 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-09-01 00:53:46,430 - satellite_download_logger - INFO - L9 2025-08-03-10-05-39 cloud cover : 0.00% 2025-09-01 00:53:46,457 - satellite_download_logger - INFO - L9 2025-08-03-10-05-39: sand: 0.00% ,whitewater: 0.00% ,water: 47.15% 2025-09-01 00:53:46,457 - satellite_download_logger - INFO - L9 2025-08-03-10-05-39: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:53:46,460 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 13 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:53:46,460 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 117 2025-09-01 00:53:46,460 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 117 2025-09-01 00:53:46,460 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 117 2025-09-01 00:53:46,460 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 117 2025-09-01 00:53:46,719 - satellite_download_logger - INFO - L9 2025-08-03-10-06-03 cloud cover : 0.00% 2025-09-01 00:53:46,746 - satellite_download_logger - INFO - L9 2025-08-03-10-06-03: sand: 0.00% ,whitewater: 0.00% ,water: 47.11% 2025-09-01 00:53:46,746 - 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 00:53:46,748 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 14 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:53:46,749 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 119 2025-09-01 00:53:46,749 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 119 2025-09-01 00:53:46,749 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 119 2025-09-01 00:53:46,749 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 119 2025-09-01 00:53:47,026 - satellite_download_logger - INFO - L9 2025-08-19-10-05-50 cloud cover : 0.00% 2025-09-01 00:53:47,053 - satellite_download_logger - INFO - L9 2025-08-19-10-05-50: sand: 0.00% ,whitewater: 0.00% ,water: 49.82% 2025-09-01 00:53:47,053 - 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 00:53:47,055 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 7 shorelines. Number of shorelines after filtering shorelines: 2 shorelines 2025-09-01 00:53:47,055 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 202 2025-09-01 00:53:47,055 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 202 2025-09-01 00:53:47,055 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 202 2025-09-01 00:53:47,055 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 202 2025-09-01 00:53:47,332 - satellite_download_logger - INFO - L9 2025-08-19-10-06-14 cloud cover : 0.00% 2025-09-01 00:53:47,359 - satellite_download_logger - INFO - L9 2025-08-19-10-06-14: sand: 0.00% ,whitewater: 0.00% ,water: 49.89% 2025-09-01 00:53:47,359 - 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 00:53:47,361 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 5 shorelines. Number of shorelines after filtering shorelines: 2 shorelines 2025-09-01 00:53:47,361 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 200 2025-09-01 00:53:47,361 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 200 2025-09-01 00:53:47,362 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 200 2025-09-01 00:53:47,362 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 200 2025-09-01 00:53:47,645 - satellite_download_logger - INFO - L9 2025-08-28-09-59-40 cloud cover : 0.00% 2025-09-01 00:53:47,665 - satellite_download_logger - INFO - L9 2025-08-28-09-59-40: sand: 0.00% ,whitewater: 0.00% ,water: 22.06% 2025-09-01 00:53:47,666 - satellite_download_logger - INFO - L9 2025-08-28-09-59-40: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:53:47,667 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 0 shorelines 2025-09-01 00:53:47,866 - satellite_download_logger - WARNING - L9 2025-08-28-10-00-04: Skipped due to cloud cover 68.72% > threshold 10.00%