Jikku Varghese Jacob Profile picture
Sep 16, 2018 17 tweets 7 min read Twitter logo Read on Twitter
#Thread As Kerala is recovering from the devastating floods, a Kasargodu native is heading India's first comprehensive flood monitoring system in Kolkata funded by Asian Development Bank. Follow the thread for more about the project which will be functional from next month.(1/n)
Gopalakrishna Bhatt, A hydro geologist from Badiyaduka is the technical consultant of the project. It has been designed to
provide forecasts as well as real-time updates from sensor
nodes installed in key points throughout the city. Read Here:manoramaonline.com/news/latest-ne… (2/n)
The system includes: weather forecasts; flood models for
various intensities of rainfall; real-time information on
pump status, sump and canal water levels, actual rainfall, inundation levels,; and messaging system to
provide warnings to officials
and citizens. (3/n)
It's funded by ADB’s Urban Climate Change Resilience Trust Fund (UCCRTF) under the Urban Financing Partnership
Facility. A consortium comprising TARU
Leading Edge Pvt. Ltd., PricewaterhouseCoopers, and Antea
Group is assisting KMC to implement the system. (4/n)
How the system works: 5 types of ultrasonic sensors fixed in various points will send realtime data to a cloud based dashboard. The input will be automatically analysed with GIS data of Kolkata city. There after warnings are send to the mobile phones (5/n)
Here are the ultrasonic sensors fixed at various points of the city. Single Sensor costs around Rs.25,000. All are IOT based and non contact to water. (6/n)
The system helps
increase participatory
planning and community
engagement by allowing
small enterprises to install shop-front
sensors, thus getting
environmental and
inundation data at the shop or building-level. (7/n)
Various cost-effective
sensors enable
high-density coverage, increasing granularity of
real-time data across
the city. The data can
be validated using available high-quality, low- density monitoring system. (8/n)
This can be used to validate flood models, heat stress, air quality,
and urban heat island effect. These data sets help inform storm water
drainage design and
support the city in learning from past
events and
emergencies. (9/n)
Project @inasafe is another initiative developed by Indonesia to analyse the depth of the calamity by giving input data like GIS (10/n) #Manorama
The system is people-centered.
Stakeholders were consulted to identify the best places for monitoring. Predictive modeling,
historical flood assessment from remote sensing, and
consultation with citizens and engineers helped
identify locations for data collection. (11/n)
The information will be
provided through a hierarchical access control system or need-to-know basis to reduce possibility of misinformation
and rumors. The control room of KMC will also prepare and communicate warnings through radio, TV, and social media. (12/n)
A user registration system will be used to ensure that risk
information is provided to citizens. Warning messages will be sent in simple language and will
focus on actions need to take to ensure their safety and plan their daily activities, such as commuting. (13/n)
Here are the key take-aways of this project for various stake holders. Hope this will be a model project for other states including Kerala. ADB has got 35 layers GIS data of Kolkata. (14/n)
Here's the take away from GK Bhatt: People should have ready access to data without having to go only for government data. If they are able to generate data and see it in public domain, their decsion making will be risk-informed.(15/n)
They are building maps for the whole of Kolkata. Have identified over 300 points where waterlogging occurs. This will help them in installing sensors and manage floods and flood-induced  traffic jams better. (16/n)
They have done a similar project in Surat marking flood levels on telephone poles. Surat has every ward level map of flood risk for different scenarios of flow from Ukai dam. Telephone pole with green yellow and red colored bands showing risk for various outflows. (17/n)

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More from @Jikkuvarghese

Sep 9, 2018
#Thread During #KeralaFloods many of the people lost their crucial documents. It was a big mess to recover these documents since they don't even remember the document no. Hence, Kerala IT department came up with an API architecture to retrieve the documents. (1/n)
The idea was generated jointly by IT secretary M.Sivasankar and KSUM CEO Saji Gopinath. The target was to retrieve the documents by taking the basic inpit values known to the public. It startes working last day (2/n)
Incase of Aadhaar, govt will take your biometrics as the input value to generate E-Aadhaar if one doesn't remember the ID number. This will be pushed into Digilocker account created. Also will get a print out for free of cost. (3/n)
Read 10 tweets
Sep 5, 2018
#Thread Here's an incredible story about a young man who was busy with loading and unloading in #KeralaFloods relief centres. Only days later people came to know that he was none other than, Kannan Gopinathan, the Collector of Dadra & Nagar Haveli! (1/n)
He travelled in KSRTC buses and covered 5 districts in 10 days without revealing identity. He took leave for serving his homeland in the time of crisis. Kannan is a native of Kottayam. Even his relatives were not aware of his unofficial visit! (2/n)
It was only after Eranakulam Collector Y.Safirulla's visit to centre at KBPS press, the volunteers of the camp came to know that the guy who was helping in loading goods was an IAS officer! (3/n)
Read 9 tweets
Aug 24, 2018
#Thread #KeralaFloods Detailed thread to document the historic efforts of various online groups in rescue and relief operations. Trust me, Whatsapp and Google sheets were the powerful weapons we had. Pic: An online control room set by NRKs in house at Abu Dhabi (1/n)
It was the time we truly realised the power of social media and instant messaging services with regard to disaster management. Many were stranded on roof-tops without any other contact to the world other than their mobile phones. Whatsapp brilliantly solved the issue. (2/n)
Before going in detail let me point out the problem statements. 1) Govt issued some helpline numbers but most of them were busy with numerous calls 2) Thousands of SOS requests flooded in social media which were not addressed in a systematic manner, hence turned spams (3/n)
Read 26 tweets
Aug 21, 2018
#Thread Went to Vizhinjam coast to meet the fishermen who took part in rescue mission in #KeralaFloods . We were filled with positive energy and happiness hearing their experiences (1/n)
We dedicated almost 2 pages for celebrating their mission.On Thursday 8.10 pm Fr.Justin Judin,vicar of Vizhinjam church announced the requirement for boats through public announcement system. In 20 minutes almost 50 boats and 100 fishermen were assembled. Military like formation!
Just see the Engine fan of a fishing boat which participated in the #KeralaFloods rescue mission. Most of the boats are damaged and they won't be able to go to sea for a while. I was blown away by their sacrifice (3/n)
Read 24 tweets
Aug 4, 2018
#Thread We started our series on online bank frauds and data security with @LukasStefanko 's revelation on three fake Indian bank apps stealing sensitive data of hundreds of Indians. (1/n)
We also published an exclusive email interview with @LukasStefanko in which he alarms India regarding the upcoming bank frauds. (2/n)
We were shocked to know that per day bank frauds are looting 1.5 lakhs from Kerala. In 8 months starting from last August Rs 3 crores went to their accounts. Ernakulam and Trivandrum tops in the list with 80 and 70 lakhs respectively. (3/n)
Read 22 tweets
Mar 11, 2018
Short-lived are the marks sea casts on a shore but not the memories it leaves on a coast. After a sail off the Poonthura shore with Rinku chettan (Photographer) on the hundredth day of Ockhi, we returned home with a heavy heart. (1/n)
After all the discussions about fishermen's safety and the promises government extended to the fisher-folk, not a single measure has been adopted to practicalise any of it. (2/n)
Our companion Andrews told us that a similar calamity can cause a graver damage even after a hundred days from now. (3/n)
Read 6 tweets

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