Timeseries in Sentinel S1 Index

[Ivo-G]

Hello, I'm having trouble running the Sentinel S1 indices in the example 013-Time-Series-By-Region-Pandas.ipynb. It seems that the index parameters are not being passed. I don't know if it's a library update or some mistake on my part.

The code point = ee.Geometry.Point([11.178576,51.122064]).buffer(100)

RAD = (ee.ImageCollection('COPERNICUS/S1_GRD') .filterBounds(point) .filterDate("2021") .spectralIndices(index="QpRVI") .select("QpRVI"))

ts = RAD.getTimeSeriesByRegion(geometry = point, bands = ['QpRVI'], reducer = [ee.Reducer.mean()], scale = 10)

tsPandas = geemap.ee_to_pandas(ts)

Error: Exception: Element.propertyNames: Parameter 'element' is required.

Thanks

[Ivo-G]

Error in index choice, band vv

[davemlz]

Thank you, Ivo! Still, I find it weird that it didn't tell you that Sentinel-1 doesn't have the bands. It should. I will check that! ;)

[Ivo-G]

Hola, DavidUse el ejemplo para obtener timeseries, con el punto del ejemplo, pero no me aparecian las bandas, parece que la banda HH no existe para essa region, cambiando el índice funciono, como entendi que seria un error mio, cerre el issue. Abrazo de Brasil y felicitaciones por el brillante trabajo. (point = ee.Geometry.Point([11.178576,51.122064]).Em 16 de fev. de 2023 07:16, David Montero Loaiza @.***> escreveu: Thank you, Ivo! Still, I find it weird that it didn't tell you that Sentinel-1 doesn't have the bands. It should. I will check that! ;)

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[Ivo-G]

Hola David,

Los índices que no están me volviendo son los que requieren HH. Los índices DpRVIHH, QpRVI y RFDI, son los que traen error, justo em los índices más relativos a vegetacion. Saludos y Gracias novamente

Ivo Wagner

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De: David Montero @.> Enviado:quinta-feira, 16 de fevereiro de 2023 07:16 Para: @.> @.>; State @.> Assunto: Re: [davemlz/eemont] Timeseries in Sentinel S1 Index (Issue #81)

Thank you, Ivo! Still, I find it weird that it didn't tell you that Sentinel-1 doesn't have the bands. It should. I will check that! ;)

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[davemlz]

Hola Ivo. Lo único que se me ocurre es que algunas imágenes de S1 para tu región en específico no traen HH o HV y por lo tanto no están funcionando.

[Ivo-G]

David, Perfecto, voy a intentar con los que están funcionando y en otros puntos. Gracias

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De: David Montero @.> Enviado:quinta-feira, 16 de fevereiro de 2023 10:23 Para: @.> @.>; State @.> Assunto: Re: [davemlz/eemont] Timeseries in Sentinel S1 Index (Issue #81)

Hola Ivo. Lo único que se me ocurre es que algunas imágenes de S1 para tu región en específico no traen HH o HV y por lo tanto no están funcionando.

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[davemlz]

Dale! Si algo me cuentas :)

[Ivo-G]

Hola,

Revise algunos puntos em America del Sur, Peru, Estados Unidos, Europa e Africa com el índice QpRVI, incluso en um ejemplo que tenia hecho por ti (HH-HV-example-eemont.ipynb) al cambiar el índice para QpRVI vuelve con error la imagen.

Si te ayuda puedo abir un issue, en inglês de Google Translate, mas con buena intencion.

Abrazo

Ivo

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De: David Montero @.> Enviado:quinta-feira, 16 de fevereiro de 2023 10:31 Para: @.> @.>; State @.> Assunto: Re: [davemlz/eemont] Timeseries in Sentinel S1 Index (Issue #81)

Dale! Si algo me cuentas :)

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[davemlz]

Hola Ivo!, Si quieres puedes poner el script aquí, voy a re-abrir el Issue!

[Ivo-G]

Hi David, point = ee.Geometry.Point([-56.2828972327858,-30.292632902046854]).buffer(150)

RAD = (ee.ImageCollection('COPERNICUS/S1_GRD') .filterBounds(point) .filterDate("2022","2023") .spectralIndices(index="DpRVIHH") .select("DpRVIHH")) # 'RFDI' , 'DpRVIHH','QpRVI' Error RAD.first().bandNames().getInfo()

HttpError Traceback (most recent call last) /usr/local/lib/python3.8/dist-packages/ee/data.py in _execute_cloud_call(call, num_retries) 328 try: --> 329 return call.execute(num_retries=num_retries) 330 except googleapiclient.errors.HttpError as e:

5 frames HttpError: <HttpError 400 when requesting https://earthengine.googleapis.com/v1alpha/projects/earthengine-legacy/value:compute?prettyPrint=false&alt=json returned "Collection.first: Error in map(ID=S1A_IW_GRDH_1SDV_20220108T090553_20220108T090618_041367_04EB14_901B): Image.select: Pattern 'HV' did not match any bands.". Details: "Collection.first: Error in map(ID=S1A_IW_GRDH_1SDV_20220108T090553_20220108T090618_041367_04EB14_901B): Image.select: Pattern 'HV' did not match any bands.">

During handling of the above exception, another exception occurred:

EEException Traceback (most recent call last) /usr/local/lib/python3.8/dist-packages/ee/data.py in _execute_cloud_call(call, num_retries) 329 return call.execute(num_retries=num_retries) 330 except googleapiclient.errors.HttpError as e: --> 331 raise _translate_cloud_exception(e)

[davemlz]

Hi Ivo!

Sorry I'm late. I just tested it and the problem is that there are no HH and HV bands that can be used for DpRVIHH in this collection. For this you will have to use DpRVIVV:

point = ee.Geometry.Point([-56.2828972327858,-30.292632902046854]).buffer(150)

RAD = (ee.ImageCollection('COPERNICUS/S1_GRD')
    .filterBounds(point)
    .filterDate("2022","2023")
    .spectralIndices(index="DpRVIVV") # Here :)
    .select("DpRVIVV")) 
RAD.first().bandNames().getInfo()