2025-06-17 12:34:44,865 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_076090_20250604 as 2025-06-04-22-25-37_L8_nzd0452_ms.tif 2025-06-17 12:34:53,421 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_076091_20250604 as 2025-06-04-22-26-01_L8_nzd0452_ms.tif 2025-06-17 12:34:58,374 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_075091_20250605 as 2025-06-05-22-19-47_L9_nzd0452_ms.tif 2025-06-17 12:35:07,415 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_076090_20250612 as 2025-06-12-22-25-42_L9_nzd0452_ms.tif 2025-06-17 12:35:14,748 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_076091_20250612 as 2025-06-12-22-26-06_L9_nzd0452_ms.tif 2025-06-17 12:35:14,790 - satellite_download_logger - INFO - Please read the following information carefully: 2025-06-17 12:35:14,790 - 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. 2025-06-17 12:35:14,790 - 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. 2025-06-17 12:35:14,791 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-06-17 12:35:14,792 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-06-17 12:35:14,794 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-06-17 12:35:14,794 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-06-17 12:35:14,795 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-06-17 12:35:15,055 - satellite_download_logger - WARNING - L8 2025-05-12-22-19-47: Skipped due to cloud cover 18.21% > threshold 10.00% 2025-06-17 12:35:15,433 - satellite_download_logger - WARNING - L8 2025-05-19-22-25-36: Skipped due to cloud cover 63.42% > threshold 10.00% 2025-06-17 12:35:15,745 - satellite_download_logger - WARNING - L8 2025-05-19-22-26-00: Skipped due to cloud cover 69.56% > threshold 10.00% 2025-06-17 12:35:15,815 - satellite_download_logger - INFO - L8 2025-06-04-22-25-37 cloud cover : 2.27% 2025-06-17 12:35:16,410 - satellite_download_logger - INFO - L8 2025-06-04-22-25-37: sand: 0.00% ,whitewater: 1.56% ,water: 55.08% 2025-06-17 12:35:16,418 - satellite_download_logger - INFO - L8 2025-06-04-22-25-37: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 12:35:16,429 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 63 shorelines. Number of shorelines after filtering shorelines: 7 shorelines 2025-06-17 12:35:16,429 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 1345 2025-06-17 12:35:16,701 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 946 2025-06-17 12:35:16,701 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 946 2025-06-17 12:35:16,739 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 946 2025-06-17 12:35:17,132 - satellite_download_logger - INFO - L8 2025-06-04-22-26-01 cloud cover : 1.90% 2025-06-17 12:35:17,768 - satellite_download_logger - INFO - L8 2025-06-04-22-26-01: sand: 0.00% ,whitewater: 1.66% ,water: 54.99% 2025-06-17 12:35:17,776 - satellite_download_logger - INFO - L8 2025-06-04-22-26-01: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 12:35:17,787 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 57 shorelines. Number of shorelines after filtering shorelines: 4 shorelines 2025-06-17 12:35:17,787 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 1434 2025-06-17 12:35:18,037 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 1257 2025-06-17 12:35:18,037 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 1257 2025-06-17 12:35:18,088 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 1257 2025-06-17 12:35:18,418 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-06-17 12:35:18,554 - satellite_download_logger - INFO - L9 2025-05-04-22-20-05 cloud cover : 0.00% 2025-06-17 12:35:18,633 - satellite_download_logger - INFO - L9 2025-05-04-22-20-05: sand: 0.00% ,whitewater: 0.00% ,water: 2.60% 2025-06-17 12:35:18,633 - satellite_download_logger - INFO - L9 2025-05-04-22-20-05: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 12:35:18,636 - satellite_download_logger - ERROR - L9 2025-05-04-22-20-05: 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. 2025-06-17 12:35:19,004 - satellite_download_logger - WARNING - L9 2025-05-11-22-25-46: Skipped due to cloud cover 20.94% > threshold 10.00% 2025-06-17 12:35:19,594 - satellite_download_logger - WARNING - L9 2025-05-11-22-26-10: Skipped due to cloud cover 14.54% > threshold 10.00% 2025-06-17 12:35:19,603 - satellite_download_logger - INFO - L9 2025-06-05-22-19-47 cloud cover : 0.00% 2025-06-17 12:35:19,689 - satellite_download_logger - INFO - L9 2025-06-05-22-19-47: sand: 0.00% ,whitewater: 0.00% ,water: 4.66% 2025-06-17 12:35:19,689 - satellite_download_logger - INFO - L9 2025-06-05-22-19-47: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 12:35:19,690 - satellite_download_logger - ERROR - L9 2025-06-05-22-19-47: 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. 2025-06-17 12:35:19,763 - satellite_download_logger - INFO - L9 2025-06-12-22-25-42 cloud cover : 1.81% 2025-06-17 12:35:20,338 - satellite_download_logger - INFO - L9 2025-06-12-22-25-42: sand: 0.00% ,whitewater: 0.27% ,water: 56.90% 2025-06-17 12:35:20,343 - satellite_download_logger - INFO - L9 2025-06-12-22-25-42: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 12:35:20,351 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 29 shorelines. Number of shorelines after filtering shorelines: 6 shorelines 2025-06-17 12:35:20,351 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 1422 2025-06-17 12:35:20,588 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 1009 2025-06-17 12:35:20,588 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 1009 2025-06-17 12:35:20,628 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 1009 2025-06-17 12:35:21,382 - satellite_download_logger - INFO - L9 2025-06-12-22-26-06 cloud cover : 1.45% 2025-06-17 12:35:22,014 - satellite_download_logger - INFO - L9 2025-06-12-22-26-06: sand: 0.00% ,whitewater: 0.38% ,water: 56.80% 2025-06-17 12:35:22,020 - satellite_download_logger - INFO - L9 2025-06-12-22-26-06: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-06-17 12:35:22,029 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 24 shorelines. Number of shorelines after filtering shorelines: 4 shorelines 2025-06-17 12:35:22,029 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 1523 2025-06-17 12:35:22,235 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 1340 2025-06-17 12:35:22,236 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 1340 2025-06-17 12:35:22,290 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 1340