2025-09-01 00:52:58,145 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192031_20250804 as 2025-08-04-09-59-30_L8_sar1740_ms.tif 2025-09-01 00:53:03,566 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192031_20250820 as 2025-08-20-09-59-36_L8_sar1740_ms.tif 2025-09-01 00:53:08,022 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_192032_20250804 as 2025-08-04-09-59-54_L8_sar1740_ms.tif 2025-09-01 00:53:13,473 - 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/sar1740/L8/ms/2025-08-20-10-00-00_L8_sar1740_ms.tif 2025-09-01 00:53:17,861 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193031_20250811 as 2025-08-11-10-05-45_L8_sar1740_ms.tif 2025-09-01 00:53:22,011 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_193032_20250811 as 2025-08-11-10-06-09_L8_sar1740_ms.tif 2025-09-01 00:53:28,420 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192031_20250812 as 2025-08-12-09-59-36_L9_sar1740_ms.tif 2025-09-01 00:53:33,722 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192031_20250828 as 2025-08-28-09-59-40_L9_sar1740_ms.tif 2025-09-01 00:53:39,099 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192032_20250812 as 2025-08-12-10-00-00_L9_sar1740_ms.tif 2025-09-01 00:53:44,433 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_192032_20250828 as 2025-08-28-10-00-04_L9_sar1740_ms.tif 2025-09-01 00:53:48,544 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250803 as 2025-08-03-10-05-39_L9_sar1740_ms.tif 2025-09-01 00:53:53,803 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193031_20250819 as 2025-08-19-10-05-50_L9_sar1740_ms.tif 2025-09-01 00:53:59,114 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250803 as 2025-08-03-10-06-03_L9_sar1740_ms.tif 2025-09-01 00:54:05,324 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_193032_20250819 as 2025-08-19-10-06-14_L9_sar1740_ms.tif 2025-09-01 00:54:05,367 - satellite_download_logger - INFO - Please read the following information carefully: 2025-09-01 00:54:05,367 - 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 00:54:05,367 - 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 00:54:05,367 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-09-01 00:54:05,369 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-09-01 00:54:05,370 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-09-01 00:54:05,370 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-09-01 00:54:05,372 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-09-01 00:54:05,376 - satellite_download_logger - INFO - L8 2025-08-04-09-59-30 cloud cover : 0.00% 2025-09-01 00:54:05,399 - satellite_download_logger - INFO - L8 2025-08-04-09-59-30: sand: 0.84% ,whitewater: 0.00% ,water: 63.99% 2025-09-01 00:54:05,399 - satellite_download_logger - INFO - L8 2025-08-04-09-59-30: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:54:05,400 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:54:05,400 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 100 2025-09-01 00:54:05,400 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 100 2025-09-01 00:54:05,400 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 100 2025-09-01 00:54:05,402 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 100 2025-09-01 00:54:05,743 - satellite_download_logger - INFO - L8 2025-08-04-09-59-54 cloud cover : 0.00% 2025-09-01 00:54:05,775 - satellite_download_logger - INFO - L8 2025-08-04-09-59-54: sand: 0.78% ,whitewater: 0.00% ,water: 63.93% 2025-09-01 00:54:05,775 - satellite_download_logger - INFO - L8 2025-08-04-09-59-54: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-09-01 00:54:05,777 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:54:05,777 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 102 2025-09-01 00:54:05,777 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 102 2025-09-01 00:54:05,777 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 102 2025-09-01 00:54:05,778 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 102 2025-09-01 00:54:06,111 - satellite_download_logger - INFO - L8 2025-08-11-10-05-45 cloud cover : 0.00% 2025-09-01 00:54:06,134 - satellite_download_logger - INFO - L8 2025-08-11-10-05-45: sand: 0.54% ,whitewater: 0.00% ,water: 64.95% 2025-09-01 00:54:06,134 - 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 00:54:06,136 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:54:06,136 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 103 2025-09-01 00:54:06,136 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 103 2025-09-01 00:54:06,136 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 103 2025-09-01 00:54:06,137 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 103 2025-09-01 00:54:06,457 - satellite_download_logger - INFO - L8 2025-08-11-10-06-09 cloud cover : 0.00% 2025-09-01 00:54:06,473 - satellite_download_logger - INFO - L8 2025-08-11-10-06-09: sand: 0.00% ,whitewater: 0.00% ,water: 52.53% 2025-09-01 00:54:06,473 - 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 00:54:06,474 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 0 shorelines 2025-09-01 00:54:06,686 - satellite_download_logger - WARNING - L8 2025-08-20-09-59-36: Skipped due to cloud cover 89.61% > threshold 10.00% 2025-09-01 00:54:06,688 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-09-01 00:54:06,692 - satellite_download_logger - INFO - L9 2025-08-03-10-05-39 cloud cover : 0.00% 2025-09-01 00:54:06,714 - satellite_download_logger - INFO - L9 2025-08-03-10-05-39: sand: 0.54% ,whitewater: 0.00% ,water: 64.47% 2025-09-01 00:54:06,714 - 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 00:54:06,715 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:54:06,715 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 105 2025-09-01 00:54:06,715 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 105 2025-09-01 00:54:06,715 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 105 2025-09-01 00:54:06,717 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 105 2025-09-01 00:54:07,041 - satellite_download_logger - INFO - L9 2025-08-03-10-06-03 cloud cover : 0.00% 2025-09-01 00:54:07,060 - satellite_download_logger - INFO - L9 2025-08-03-10-06-03: sand: 0.00% ,whitewater: 0.00% ,water: 45.63% 2025-09-01 00:54:07,060 - 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 00:54:07,061 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:54:07,061 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 52 2025-09-01 00:54:07,061 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 52 2025-09-01 00:54:07,061 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 52 2025-09-01 00:54:07,063 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 51 2025-09-01 00:54:07,318 - satellite_download_logger - WARNING - L9 2025-08-12-09-59-36: Skipped due to cloud cover 70.44% > threshold 10.00% 2025-09-01 00:54:07,321 - satellite_download_logger - WARNING - L9 2025-08-12-10-00-00: Skipped due to cloud cover 12.43% > threshold 10.00% 2025-09-01 00:54:07,324 - satellite_download_logger - INFO - L9 2025-08-19-10-05-50 cloud cover : 0.00% 2025-09-01 00:54:07,346 - satellite_download_logger - INFO - L9 2025-08-19-10-05-50: sand: 0.00% ,whitewater: 0.00% ,water: 64.65% 2025-09-01 00:54:07,347 - 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 00:54:07,348 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:54:07,348 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 101 2025-09-01 00:54:07,348 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 101 2025-09-01 00:54:07,348 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 101 2025-09-01 00:54:07,349 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 101 2025-09-01 00:54:07,673 - satellite_download_logger - INFO - L9 2025-08-19-10-06-14 cloud cover : 0.00% 2025-09-01 00:54:07,681 - satellite_download_logger - INFO - L9 2025-08-19-10-06-14: sand: 0.00% ,whitewater: 0.00% ,water: 17.65% 2025-09-01 00:54:07,681 - 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 00:54:07,683 - satellite_download_logger - ERROR - L9 2025-08-19-10-06-14: 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 00:54:07,686 - satellite_download_logger - INFO - L9 2025-08-28-09-59-40 cloud cover : 0.00% 2025-09-01 00:54:07,707 - satellite_download_logger - INFO - L9 2025-08-28-09-59-40: sand: 0.00% ,whitewater: 0.00% ,water: 60.68% 2025-09-01 00:54:07,707 - 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 00:54:07,708 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-09-01 00:54:07,708 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 98 2025-09-01 00:54:07,709 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 98 2025-09-01 00:54:07,709 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 98 2025-09-01 00:54:07,710 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 98 2025-09-01 00:54:08,330 - satellite_download_logger - WARNING - L9 2025-08-28-10-00-04: Skipped due to cloud cover 90.48% > threshold 10.00%