Dam Monitoring FAQs
The outputs you receive as part of the Dam Monitoring product are displayed in our online platform. At the start we carry out a retrospective analysis for e...
Tue, 5 Oct, 2021 at 5:20 PM
The analysis is represented on a map using hexagons. It is a shape that can follow the shape of the dam. The hexagons come in 2-3 sizes, which aggregate o...
Mon, 16 Aug, 2021 at 11:48 AM
Our product helps those without Earth Observation and Data Science expertise to extract meaningful insights about their dam from the raw satellite data inpu...
Tue, 5 Oct, 2021 at 5:02 PM
Our Dam Monitoring Product provides analysis shown in data layers broken down into hexagons. Our 3 year retrospective data analysis identifies the normal, ...
Tue, 5 Oct, 2021 at 3:20 PM
The Rezatec Dam Monitoring product highlights statistical anomalies. It is for the dam owner to interpret these anomalies in context and decide if furthe...
Fri, 10 Jun, 2022 at 12:21 PM
The satellites follow fixed orbits and the Sentinel satellites have excellent reliability. The SAR (radar) data used is co-registered to align precisely to ...
Tue, 5 Oct, 2021 at 3:37 PM
We can calculate the accuracy based on the sum of the error for margin across the different stages of the modelling. However, we also work with customers to...
Tue, 5 Oct, 2021 at 5:14 PM
Persistent scatterer points are only part way through the processing and analysis that Rezatec applies to the satellite data. Our product helps those withou...
Tue, 5 Oct, 2021 at 3:40 PM
As standard, we use satellite data, including synthetic aperture radar from Sentinel 1 and optical data from Sentinel 2. These are both pairs of satellites ...
Tue, 5 Oct, 2021 at 3:43 PM
It depends on the location but the satellites acquire radar data every 6-12 days, and the optical data every 5-10 days. However, some data acquisitions may ...
Tue, 5 Oct, 2021 at 3:46 PM