+ +
+

Sentinel-1 Coherence#

+
+

Product description#

+

The Sentinel-1 Coherence product available in the SALDi Data Cube (SDC) has been sourced +from the Alaska Satellite Facility (ASF) using their On Demand InSAR products.

+

Detailed information can be found here.

+

The product abbreviation used in this package is s1_coh

+
+
+

Loading data#

+
+
+
from sdc.load import load_product
+
+vec = "../../_assets/vec_01_06_01.geojson"
+ds = load_product(product="s1_coh", vec=vec)
+ds
+
+
+
+
+
+ + + + + + + + + + + + + + +
<xarray.DataArray 'coh_vv' (time: 175, latitude: 1450, longitude: 1987)>
+dask.array<coh_vv, shape=(175, 1450, 1987), dtype=float32, chunksize=(175, 437, 437), chunktype=numpy.ndarray>
+Coordinates:
+  * latitude     (latitude) float64 -29.0 -29.0 -29.0 ... -29.29 -29.29 -29.29
+  * longitude    (longitude) float64 24.31 24.31 24.31 24.31 ... 24.7 24.7 24.7
+    spatial_ref  int32 4326
+  * time         (time) datetime64[ns] 2018-01-11T17:02:23 ... 2023-10-24T17:...
+Attributes:
+    nodata:   0.0
+
+
+
+
coh_std = ds.std(dim="time").compute()
+
+
+
+
+
+
+
coh_std.plot()
+
+
+
+
+
<matplotlib.collections.QuadMesh at 0x7f464e257b90>
+
+
+../../_images/fc7171e3ebce40f299cf3e87b175ae0eab8476e1f3fe4ec16406e13cd30063aa.png +
+
+
+
+ + + + +