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InSAR - Satellite based ground and structure deformation monitoring made simple.
ATLAS™ is our InSAR solution for remote monitoring of ground deformation with millimetric accuracy.
Radar satellite interferometry (InSAR) is a non-invasive surveying technique able to measure millimetric motion of terrain structures over wide areas in both urban and non-urban environments. This technique is based on the exploitation of synthetic aperture radar images (SAR) acquired from satellite- sensors.
ATLAS™ uses raw data from satellite constellations that we process to deliver time-series ground motion data with a density of up to 20,000 pts /Km2
Stand alone or in conjunction with more traditional instrumentation it provides unique information about your site or infrastructure without any installation on the ground.
ATLAS™ uses the extensive archive of SAR data acquired from 1992 onwards, enabling you to conduct retro studies and map ground movements that have occurred in the past. By leveraging this unique capability, you can gain valuable insights into pre-existing vulnerabilities and ensure that your construction design is optimized for existing conditions.
Moreover, the evidence-based data from past ground and asset behaviors is an effective tool for protecting against third-party claims. With ATLAS™, experience the power of retro studies to optimise your project's performance.
ATLAS™ InSAR leverages high-resolution satellite images to provide results with a remarkable resolution of 3m x 3m and a density of up to 20,000 Pts/Km2, even over extensive areas. This enables you to access an unparalleled level of information to analyse and understand the situation and behavior of your site, regardless of its size, infrastructure, or location within a city.
For instance, dewatering activities can have significant impacts over long distances, and ATLAS™ InSAR measurements enable you to clearly delimit the perimeter at risk and overcome the potential problem of losing references for ground instruments. With ATLAS™, you can accurately monitor ground movements and detect even the slightest changes, providing you with the insights you need to take timely action and optimise your project's performance.
ATLAS™ InSAR offers an affordable complement and/or alternative to traditional ground deformation monitoring methods. By providing measurement layers of many thousands to a few million measurement points (depending on the surface), ATLAS™ enables you to gather more data in a shorter time frame compared to precise leveling, which monitors around 100 points per day in a specific area.
Moreover, ATLAS™ can provide more than 20,000 measurement points per km2 in urban environments, making it an ideal solution for large-scale projects. By deploying a combination of complementary technologies such as precise leveling, Automatic Total Station, and InSAR, you can significantly lower the cost of ground deformation monitoring while delivering richer information.
With ATLAS™, you can optimise your project's budget without sacrificing accuracy or precision.
Beyond Monitoring™ is our web based delivery platform for all of your projects. With an architecture optimised for “big data”, visualisation and analysis of millions of data points is smooth and intuitive.
Being able to smoothly handle a few million data points from Atlas-InSAR was one of the non-negotiable specifications of the platform and the result is above expectations.
One of our projects in Auckland is generating 7,600,000 data points every 11 days and has been running for 40 months. Navigating this substantial database to locate and analyse critical areas is straightforward.
ATLAS™ InSAR is a versatile tool that can be applied to various environments, from urban to rural settings, to monitor almost any type of asset, including buildings, airports, ports, dams, roadways, railways, and mines.
One of the key strengths of ATLAS™ is its ability to monitor settlement induced by underground excavation and dewatering for tunnel construction, mining, and other projects. Its capacity to monitor large areas simultaneously with high density and accuracy is unmatched, making it an invaluable tool for these industries.
Given its exceptional performance, ATLAS™ InSAR is rapidly becoming a standard in ground and structure deformation monitoring, empowering you with the insights you need to make informed decisions and optimise your project's performance.
No wonder Atlas InSAR is becoming a standard in ground & structure deformation.
Around Auckland, we are already starting to see higher temperatures, increased drought, more intense rainfall events and sea level rise. We expect more change over the next 100 years. Also Auckland Council has declared a climate emergency and established a plan to prepare Auckland for the impacts of climate change
The Auckland area is subject noticeable ground movements and to analyse the impact of the climate on the ground deformation, Sixense as provided Atlas- InSAR high resolution data over the extended metropolitain Auckland.
The delivery was completed by advanced data analytics to extract the important information form this "big data" set.
Measurement Pts
Surface
The Suburban Rail Loop (SRL) is an orbital line of the rail tunnel network of Melbourne, which will traverse suburbs 15–25 kilometres from the Central Business District (CBD) along an approximately 90 km route. Stage 1 between Cheltenham to Box Hill is underway to construction.
Sixense is providing extensive baseline monitoring over the tunnel alignment and surroundings with Atlas- InSAR medium and high resolution. To complete the monitoring scheme, a set of Artificial Corner Reflectors (ACR) has also been installed to provide measurement data, either on green field where traditional InSAR processing is more limited, or on critical areas/points.
Measurement Pts
Duration
Artificial Corner Reflectors
WestConnex is a 33-kilometre predominantly underground motorway scheme in Sydney. The full project is divided in seven diffrents packages with construction staged over a decade.
Sixense is providing Atlas-InSAR monitoring at high resoluton over the span of the projects.
Measurement Pts
Duration
The 10.5 km Torrens to Darlington (T2D) tunnel project is the final piece of one of Adelaide’s most important transport routes, the North-South Corridor (NSC).
In order to gain a clearer understanding of the initial conditions, the Department of Infrastructure and Transport (DIT) enlisted Sixense to conduct historical ground deformation monitoring along the tunnel alignment. At the end, we ended up analysing the entire Adelaide Basin. This provided the team with invaluable data for their geotechnical analysis.
Surface analysed
Historical period
InSAR measurement points (PSI)
Measurement layers
Crossrail (The Elisabeth Line) is a 117-kilometre railway that traverses London from East to West. The construction phase of the project began in 2009 with an estimated cost in excess of £17 billion. The main challenge, for which the ATLAS InSAR technique was pivotal, was monitoring the 21km of twin tunnels running from Paddington to Stratford and Canary Wharf below the city.
Crossrail is the first construction project actively using InSAR as a technique to reduce monitoring costs. ATLAS InSAR monitoring was performed before and during the construction of the tunnels and is still ongoing to analyse residual settlement. The study area monitored includes a corridor 2km wide over the tunnel alignment, covering a total area up to 36 km2.
Measurement Pts
Duration
