Akun Island Alaska lines of low elevation not water in C2 DSWE INTSM and INWAM bands

Some undesired artifacts in Landsat Collection 2 Digital Elevation Model (DEM) may get propagated to the INTSM and INWAM bands. Below image is an example off the coast of Akun Island in Alaska (tile H009V0012) where lines of low elevation show up as "Not Water" in the Landsat Collection 2 Level-3 Dynamic Surface Water Extent (DSWE) INTSM and INWAM bands.

Visit the Landsat Collection 2 Level-3 DSWE webpage to learn more.