Help Microsoft AI for Earth and Cloud to Street detect floodwater through cloud coverage using Sentinel-1 synthetic-aperture radar (SAR) imagery. Accurate flood mapping can save lives by strengthening early warning systems and directing emergency relief.
No. of Entries
Moscow Hares1st Place Team
As global warming exacerbates rising sea levels and extreme weather events, flooding has become the most frequent, costly, and devastating natural disaster in the world. Defined by the U.S. Geological Survey as the temporary submergence of land that is usually dry by an overflow of water, floods are typically caused by runoff from excessive rainfall over a short period of time, a prolonged rainstorm, or melting snow. According to the World Health Organization, between 1998 and 2007, floods affected more than 2 billion people worldwide.
It is critical that governments and humanitarian organizations be able to accurately measure flood extent in near real-time to strengthen early warning systems, assess risk, target relief, and save lives. Conventionally, flooding has been measured by monitoring systems that rely on a combination of ground equipment and complex hydrological simulations. Rain and stream gauging stations, however, only measure water height, and are limited by geographic placement and cost of maintenance.
Over the past several years, high resolution satellite imagery has strengthened monitoring systems by providing data in otherwise inaccessible areas at frequent time intervals. Specifically, sensors operating in the microwave portion of the electromagnetic spectrum provide critical information on the presence of floodwater in a scene regardless of cloud coverage.
The Sentinel-1 mission comprises two satellites performing C-band (4 to 8 GHz) synthetic-aperture radar (SAR) imaging, which provides an all-weather, day-and-night supply of images of Earth’s surface. As compared with optical sensors that detect energy reflected in the visible and infrared spectral bands, SAR systems operate in the microwave band, where long waves can penetrate through clouds, vegetation, fog, rain showers, and snow.
Sentinel-1 imagery is among the environmental monitoring data made available through Microsoft's new Planetary Computer. The Planetary Computer combines a multi-petabyte catalog of analysis-ready environmental data with intuitive APIs and a flexible development environment to support scientists, developers, and policy makers applying artificial intelligence to environmental challenges. The Planetary Computer uses the SpatioTemporal Asset Catalog (STAC) standard for organizing geospatial assets and metadata, making it easy to search for data that match spatial, temporal, or other criteria.
The goal of this challenge is to build machine learning algorithms that are able to map floodwater using Sentinel-1 global SAR imagery. Microsoft AI for Earth has teamed up with DrivenData and Cloud to Street to investigate the applicability of machine learning models for detecting flood coverage in near real-time. Models that leverage SAR imaging will significantly improve flood risk assessment, relief targeting, and ultimately, disaster readiness and response.
Competition End Date:
Sept. 29, 2021, 11:59 p.m. UTC
How to compete
- Click the “Compete” button on the sidebar to enroll in the competition.
- Get familiar with the problem through the overview and problem description. You might also want to reference additional resources available on the about page and the user forum.
- Download the data from the data tab.
- Create and train your own model. The benchmark blog post is a good place to start.
- Package your model files with the code to make predictions based on the runtime repository specification on the code submission format page.
- Click “Submit” on the sidebar followed by “Make new submission” to submit your code as a zip archive for containerized execution. You’re in!
- We will generate outputs for the evaluation dataset and score your submission in our cloud environment.
This challenge is sponsored by our friends at Microsoft AI for Earth.
Banner image courtesy of The European Space Agency.
STAC Overflow: Map Floodwater from Radar Imagery: Rules and Terms of Data Use
DrivenData Competition Rules
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DrivenData, Inc., Competition Sponsor, and the employees, officers, directors, shareholders, agents, representatives, affiliates, subsidiaries, and advertising, promotional and legal advisors thereof (collectively, the “Released Parties”) are not responsible and shall not be liable for: (i) late, lost, delayed, damaged, misdirected, incomplete, illegible, or unintelligible entries; (ii) telephone, electronic, hardware, or software program, network, Internet, or computer malfunctions, failures, or difficulties; (iii) errors in transmission; (iv) any condition caused by events beyond the control of the Released Parties that may cause the Competition to be disrupted or corrupted; (v) any injuries, losses, or damages of any kind caused by a prize or resulting from acceptance, possession, or use of a prize, or from participation in the Competition (however (but only if required by law in your jurisdiction), this release and hold harmless commitment does not apply to cases of bodily injury or loss of life to the extent that any death or personal injury is caused by the negligence of DrivenData, Competition Sponsor, or other third parties, where liability to the injured party cannot be excluded by law); or (vi) any printing or typographical errors in any materials associated with the Competition.
Disclaimer of Warranties
You understand that we cannot and do not guarantee or warrant that the Data or other files available for downloading from the internet or the Competition Website will be free of viruses or other destructive code. You are responsible for implementing sufficient procedures and checkpoints to satisfy your particular requirements for anti-virus protection and accuracy of data input and output, and for maintaining a means external to our site for any reconstruction of any lost data. RELEASED PARTIES WILL NOT BE LIABLE FOR ANY LOSS OR DAMAGE CAUSED BY A DISTRIBUTED DENIAL-OF-SERVICE ATTACK, VIRUSES OR OTHER TECHNOLOGICALLY HARMFUL MATERIAL THAT MAY INFECT YOUR COMPUTER EQUIPMENT, COMPUTER PROGRAMS, DATA OR OTHER PROPRIETARY MATERIAL DUE TO YOUR USE OF THE WEBSITE OR ANY SERVICES OR ITEMS OBTAINED THROUGH THE WEBSITE OR TO YOUR DOWNLOADING OF ANY MATERIAL POSTED ON IT, OR ON ANY WEBSITE LINKED TO IT.
YOUR USE OF THE COMPETITION WEBSITE, ITS CONTENT AND ANY SERVICES OR ITEMS OBTAINED THROUGH THE WEBSITE AND RECEIPT OF ANY PRIZES IS AT YOUR OWN RISK. THE WEBSITE, ITS CONTENT AND ANY SERVICES OR ITEMS OBTAINED THROUGH THE WEBSITE ARE PROVIDED ON AN “AS IS” AND “AS AVAILABLE” BASIS, WITHOUT ANY WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, BEYOND ANY NON-EXCLUDABLE GUARANTEES (DEFINED BELOW). NEITHER THE RELEASED PARTIES NOR ANY PERSON ASSOCIATED WITH RELEASED PARTIES MAKES ANY WARRANTY OR REPRESENTATION WITH RESPECT TO THE COMPLETENESS, SECURITY, RELIABILITY, QUALITY, ACCURACY OR AVAILABILITY OF THE COMPETITION WEBSITE. WITHOUT LIMITING THE FOREGOING, NEITHER RELEASED PARTIES NOR ANYONE ASSOCIATED WITH THE RELEASED PARTIES REPRESENTS OR WARRANTS THAT THE COMPETITION WEBSITE, ITS CONTENT OR ANY SERVICES OR ITEMS OBTAINED THROUGH THE WEBSITE WILL BE ACCURATE, RELIABLE, ERROR-FREE OR UNINTERRUPTED, THAT DEFECTS WILL BE CORRECTED, THAT OUR SITE OR THE SERVER THAT MAKES IT AVAILABLE ARE FREE OF VIRUSES OR OTHER HARMFUL COMPONENTS OR THAT THE COMPETITION WEBSITE OR ANY SERVICES OR ITEMS OBTAINED THROUGH THE WEBSITE WILL OTHERWISE MEET YOUR NEEDS OR EXPECTATIONS.
NOTHING IN THESE COMPETITION RULES LIMITS, EXCLUDES, OR MODIFIES OR PURPORTS TO LIMIT, EXCLUDE, OR MODIFY ANY STATUTORY CONSUMER GUARANTEE OR ANY IMPLIED CONDITION OR WARRANTY, THE EXCLUSION OF WHICH FROM THESE COMPETITION RULES WOULD CONTRAVENE ANY STATUTE OR CAUSE ANY PART OF THESE TERMS TO BE VOID (“NON-EXCLUDABLE GUARANTEES”). SUBJECT TO THE LIMITATIONS IN THE PRECEDING SENTENCE AND TO THE MAXIMUM EXTENT PERMITTED BY ANY MANDATORY PROVISIONS OF APPLICABLE LAW, THE RELEASED PARTIES HEREBY DISCLAIM ALL WARRANTIES OF ANY KIND, WHETHER EXPRESS OR IMPLIED, STATUTORY OR OTHERWISE, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY, NON-INFRINGEMENT AND FITNESS FOR PARTICULAR PURPOSE.
THE FOREGOING DOES NOT AFFECT ANY WARRANTIES WHICH CANNOT BE EXCLUDED OR LIMITED UNDER APPLICABLE LAW.
Governing Law and Jurisdiction
DrivenData shall be the sole interpreter of these Competition Rules.
All matters relating to the Competition Rules or the Competition and any dispute or claim arising therefrom or related thereto (in each case, including non-contractual disputes or claims), shall be governed by and construed in accordance with the internal laws of the Commonwealth of Massachusetts without giving effect to any choice or conflict of law provision or rule (whether of the Commonwealth of Massachusetts or any other jurisdiction).
The invalidity or unenforceability of any provision of these Competition Rules shall not affect the validity or enforceability of any other provision. In the event that any provision is determined to be invalid or otherwise unenforceable or illegal, these Competition Rules shall otherwise remain in effect and be construed in accordance with their terms as if the invalid or illegal provision was not contained herein.