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ОписаниеLake Success, California ESA373671.jpg
English: California has seen some heavy rains recently after years of drought, filling many of the state’s reservoirs. The rising waters are evident in this radar image from the Copernicus Sentinel-1 satellite mission over part of the San Joaquin Valley.
The three water bodies pictured here are Lake Kawhea in the upper right, Bravo Lake to its left and Lake Success in the lower right. This image was created by combining two scans from Sentinel-1’s radar on 15 December and 26 January, and assigning each scan a colour. Combined, the colours reveal changes, such as the red colouring in the reservoirs showing the water level increase.
Officials have begun to release water from Lake Success as heavy rains have nearly filled it to capacity, and the outflow is sometimes exceeding the inflow in these days.
The problem of too much water is in stark contrast from the situation in previous years, when drought led to water shutoffs and cutoffs, severely hindering yields in the San Joaquin Valley – a major agricultural region. Major crops include grapes, cotton, nuts and fruits, with productivity relying on irrigation from surface water diversions and groundwater pumping from wells.
Agricultural structures dominate this radar composite image. Like the reservoirs, colours reveal changes between December and January such as vegetation growth or harvests.
Along the right side of the image, we can see the foothills of the Sierra Nevada mountains.
This image is also featured on the Earth from Space video programme.
contains modified Copernicus Sentinel data (2016-17), processed by ESA ,CC BY-SA 3.0 IGO
други версии
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Title
InfoField
Lake Success, California
Set
InfoField
Earth observation image of the week
System
InfoField
Copernicus
Mission
InfoField
Sentinel-1
Location
InfoField
California
Activity
InfoField
Observing the Earth
Keywords
InfoField
Lake; Lakes; Agriculture; Water (fresh); Satellite image
Лицензиране
This media was created by the European Space Agency (ESA).
Where expressly so stated, images or videos are covered by the Creative Commons Attribution-ShareAlike 3.0 IGO (CC BY-SA 3.0 IGO) licence, ESA being an Intergovernmental Organisation (IGO), as defined by the CC BY-SA 3.0 IGO licence. The user is allowed under the terms and conditions of the CC BY-SA 3.0 IGO license to Reproduce, Distribute and Publicly Perform the ESA images and videos released under CC BY-SA 3.0 IGO licence and the Adaptations thereof, without further explicit permission being necessary, for as long as the user complies with the conditions and restrictions set forth in the CC BY-SA 3.0 IGO licence, these including that:
the source of the image or video is duly credited (Examples: "Credit: ESA/Rosetta/NavCam – CC BY-SA IGO 3.0", "ESA/DLR/FU Berlin, CC BY-SA IGO 3.0", "ESA/Photographer’s name, CC BY-SA IGO 3.0"), and
a direct link to the CC BY-SA 3.0 IGO license text is provided, and
if changes were made to the original image or video, there is a clear statement on the Adaptation indicating that changes were made to the original content; Adaptations must be Distributed or Publicly Performed under the Applicable License, as set forth in Article 4b of the CC BY-SA 3.0 IGO licence.
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