2025-12-01 00:06:42,786 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC08/C02/T1_TOA/LC08_072088_20250811 that failed. Failed to open the image file data/nzd0347/L8/ms/2025-08-11-22-00-40_L8_nzd0347_ms.tif 2025-12-01 00:06:46,201 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC08/C02/T1_TOA/LC08_072088_20250912 that failed. Failed to open the image file data/nzd0347/L8/ms/2025-09-12-22-00-48_L8_nzd0347_ms.tif 2025-12-01 00:06:50,492 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_072088_20251014 as 2025-10-14-22-00-55_L8_nzd0347_ms.tif 2025-12-01 00:06:55,827 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_072088_20251030 as 2025-10-30-22-00-56_L8_nzd0347_ms.tif 2025-12-01 00:07:01,710 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC08/C02/T1_TOA/LC08_072089_20250811 that failed. Failed to open the image file data/nzd0347/L8/ms/2025-08-11-22-01-04_L8_nzd0347_ms.tif 2025-12-01 00:07:07,850 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_072089_20251014 as 2025-10-14-22-01-19_L8_nzd0347_ms.tif 2025-12-01 00:07:18,038 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC08/C02/T1_TOA/LC08_072089_20251030 as 2025-10-30-22-01-20_L8_nzd0347_ms.tif 2025-12-01 00:07:21,472 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_072088_20250819 that failed. Failed to open the image file data/nzd0347/L9/ms/2025-08-19-22-00-45_L9_nzd0347_ms.tif 2025-12-01 00:07:24,927 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_072088_20250904 that failed. Failed to open the image file data/nzd0347/L9/ms/2025-09-04-22-00-50_L9_nzd0347_ms.tif 2025-12-01 00:07:29,088 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_072088_20250920 that failed. Failed to open the image file data/nzd0347/L9/ms/2025-09-20-22-00-53_L9_nzd0347_ms.tif 2025-12-01 00:07:33,384 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_072088_20251006 that failed. Failed to open the image file data/nzd0347/L9/ms/2025-10-06-22-00-58_L9_nzd0347_ms.tif 2025-12-01 00:07:38,921 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_072088_20251107 as 2025-11-07-22-01-01_L9_nzd0347_ms.tif 2025-12-01 00:07:44,133 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_072088_20251123 that failed. Failed to open the image file data/nzd0347/L9/ms/2025-11-23-22-00-59_L9_nzd0347_ms.tif 2025-12-01 00:07:49,957 - satellite_download_logger - ERROR - Could not save metadata for LANDSAT/LC09/C02/T1_TOA/LC09_072089_20250819 that failed. Failed to open the image file data/nzd0347/L9/ms/2025-08-19-22-01-09_L9_nzd0347_ms.tif 2025-12-01 00:07:56,916 - satellite_download_logger - INFO - Successfully downloaded image ID LANDSAT/LC09/C02/T1_TOA/LC09_072089_20251107 as 2025-11-07-22-01-25_L9_nzd0347_ms.tif 2025-12-01 00:07:56,950 - satellite_download_logger - INFO - Please read the following information carefully: 2025-12-01 00:07:56,950 - 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. 2025-12-01 00:07:56,950 - 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. 2025-12-01 00:07:56,951 - satellite_download_logger - INFO - --------------------------------------------------------------------------------------------------------------------- 2025-12-01 00:07:56,952 - satellite_download_logger - INFO - Extracting shorelines for L5 Minimum Shoreline Length: 500 2025-12-01 00:07:56,969 - satellite_download_logger - INFO - WARNING: CoastSat has hard-coded the value for the minimum shoreline length for L7 to 200 2025-12-01 00:07:56,969 - satellite_download_logger - INFO - Extracting shorelines for L7 Minimum Shoreline Length: 200 2025-12-01 00:07:56,977 - satellite_download_logger - INFO - Extracting shorelines for L8 Minimum Shoreline Length: 500 2025-12-01 00:07:56,986 - satellite_download_logger - INFO - L8 2025-10-14-22-00-55 cloud cover : 0.00% 2025-12-01 00:07:57,012 - satellite_download_logger - INFO - L8 2025-10-14-22-00-55: sand: 0.00% ,whitewater: 0.00% ,water: 1.63% 2025-12-01 00:07:57,012 - satellite_download_logger - INFO - L8 2025-10-14-22-00-55: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-12-01 00:07:57,014 - satellite_download_logger - ERROR - L8 2025-10-14-22-00-55: 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. 2025-12-01 00:07:57,072 - satellite_download_logger - WARNING - L8 2025-10-14-22-01-19: Skipped due to cloud cover 41.77% > threshold 10.00% 2025-12-01 00:07:57,076 - satellite_download_logger - INFO - L8 2025-10-30-22-00-56 cloud cover : 0.00% 2025-12-01 00:07:57,106 - satellite_download_logger - INFO - L8 2025-10-30-22-00-56: sand: 0.00% ,whitewater: 0.00% ,water: 0.00% 2025-12-01 00:07:57,106 - satellite_download_logger - INFO - L8 2025-10-30-22-00-56: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-12-01 00:07:57,106 - satellite_download_logger - ERROR - L8 2025-10-30-22-00-56: 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. 2025-12-01 00:07:57,142 - satellite_download_logger - INFO - L8 2025-10-30-22-01-20 cloud cover : 0.00% 2025-12-01 00:07:57,327 - satellite_download_logger - INFO - L8 2025-10-30-22-01-20: sand: 0.00% ,whitewater: 2.73% ,water: 47.58% 2025-12-01 00:07:57,329 - satellite_download_logger - INFO - L8 2025-10-30-22-01-20: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-12-01 00:07:57,333 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-12-01 00:07:57,333 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 516 2025-12-01 00:07:57,333 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 516 2025-12-01 00:07:57,333 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 516 2025-12-01 00:07:57,333 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 516 2025-12-01 00:07:57,778 - satellite_download_logger - INFO - Extracting shorelines for L9 Minimum Shoreline Length: 500 2025-12-01 00:08:00,158 - satellite_download_logger - WARNING - L9 2025-10-06-22-01-22: Skipped due to cloud cover 94.09% > threshold 10.00% 2025-12-01 00:08:00,166 - satellite_download_logger - INFO - L9 2025-11-07-22-01-01 cloud cover : 0.00% 2025-12-01 00:08:00,326 - satellite_download_logger - INFO - L9 2025-11-07-22-01-01: sand: 0.00% ,whitewater: 0.00% ,water: 0.00% 2025-12-01 00:08:00,326 - satellite_download_logger - INFO - L9 2025-11-07-22-01-01: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-12-01 00:08:00,327 - satellite_download_logger - ERROR - L9 2025-11-07-22-01-01: 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. 2025-12-01 00:08:00,434 - satellite_download_logger - INFO - L9 2025-11-07-22-01-25 cloud cover : 0.00% 2025-12-01 00:08:00,681 - satellite_download_logger - INFO - L9 2025-11-07-22-01-25: sand: 0.00% ,whitewater: 0.18% ,water: 50.16% 2025-12-01 00:08:00,683 - satellite_download_logger - INFO - L9 2025-11-07-22-01-25: Less than 50 sand pixels detected within reference shoreline buffer. Using find_wl_contours1 2025-12-01 00:08:00,686 - satellite_download_logger - INFO - Number of shorelines before removing shorelines < 500m: 1 shorelines. Number of shorelines after filtering shorelines: 1 shorelines 2025-12-01 00:08:00,686 - satellite_download_logger - INFO - Number of shoreline points before removing points within 300m of cloud mask 513 2025-12-01 00:08:00,686 - satellite_download_logger - INFO - Number of shoreline points after removing points within 300m of cloud mask 513 2025-12-01 00:08:00,686 - satellite_download_logger - INFO - Number of shoreline points before removing points within 30m of no data pixel 513 2025-12-01 00:08:00,686 - satellite_download_logger - INFO - Number of shoreline points after removing points within 30m of no data pixel 513