Dam Monitoring FAQs

What evidence do you have for the Dam Monitoring product working in practice?
There is published research that goes back to 2000 (Ferratti et al.) that confirms the use of interferometry. What most people we speak to find most compell...
Tue, 5 Oct, 2021 at 4:24 PM
What is Dam Monitoring Downstream Hazard?
Downstream Hazard remotely provides one central view of building change within the inundation zone for every dam in your state. This helps with: •    Asses...
Fri, 30 Sep, 2022 at 10:25 AM
How does Dam Monitoring Downstream Hazard work?
•    We identify and assemble the optical data for the area the customer wants. •    We select two of the most recent data sets available for the region.  ...
Fri, 30 Sep, 2022 at 10:25 AM
How does Dam Monitoring Downstream Hazard address the challenges of regulators?
Dam safety regulators are focused on protecting the public from dam failure but they face 3 challenges: lack of adequate resources lack of emergency prep...
Fri, 30 Sep, 2022 at 10:27 AM
What input data does Dam Monitoring Downstream Hazard use and how reliable is it?
The input data is optical imagery which is gathered, reviewed and delivered state by state. Imagery is made available within a year of acquisition. It is up...
Fri, 30 Sep, 2022 at 10:28 AM
What is the minimum AOI for Downstream Haza?
It is 750 sq miles (~1,900 sq km) as a minimum.
Fri, 30 Sep, 2022 at 10:26 AM
What data do we need from customers for Downstream Hazard?
We need our customers to provide flood maps for each dam.  While we can create best guess areas or zones downstream of the dam, or use FEMA flood maps, flo...
Fri, 30 Sep, 2022 at 10:26 AM
Can I set thresholds?
Yes, we currently define anomalies using a 95% confidence interval but this may not always be appropriate for your dam and we are happy to work with you to ...
Tue, 5 Oct, 2021 at 4:49 PM
Does Dam Monitoring work on levees, canals and small embankments?
Our standard solution has been developed for dams. It works best on hard infrastructure that is over 10m wide and more than 100m long. This is simply a guid...
Mon, 7 Mar, 2022 at 12:06 PM
Can you explain the Ground Motion Seasonality graph?
These graphs show the seasonal component, which is also referred to as the seasonality of a time series. This is the part of the variations in a time series...
Thu, 7 Jul, 2022 at 4:11 PM