NHP e-Bulletin

• 1st April – AP-GW, AP SW, Assam, BBMB, Bihar –GW, Bihar SW
• 2nd April – West Bengal SW, West Bengal GW, Mizoram, Tamilnadu, Jharkhand
• 3rd April – NIH, CGWB, Karnataka
• 5th April – SoI – Regarding LIDAR with Geokno
• 6th April – CPCB, Punjab, HP, NCA, M.P.
• 7th April – Sikkim, Manipur, Tripura, Jharkhand
• 9th April - Haryana SW, Haryana GW, Chhatisgarh, Gujarat, Maharashtra GW
• 10th April - Kerala GW, Kerala SW, NWIC, Telangana GW, Telangana SW
• 13th April – Rajasthan UP SW, DVC, Meghalaya, Nagaland
• 24th April - Kerala GW

Presentation on “Near Real time satellite derived AET product generation under National Hydrology Project (NHP)” was presented on 24.04.2020 by Ms. Nidhi Mishra, under webinar lecture series presented by National Remote Sensing Centre (NRSC) Hyderabad. Presentation covered all details regarding near real time daily Actual evapotranspiration (AET) product generation under NHP. As it is not possible to estimate regional AET estimation from field instrumentations, the remote sensing based AET measurements can provide solution of this problem. Till date no near real time daily AET product is available over Indian region based on remote sensing data. To overcome this, technique implemented by NRSC was presented based on surface energy balance approach for near real time daily AET product generation over Indian region. Details regarding product generation, product validation plans and product dissemination to the NRSC-NHP portal were presented during the lecture. Details on AET applications related smart services in water resources and agricultural sectors were also discussed in the lecture.

Webinar on "Hydrological Modeling and Reservoir Inflow Forecast", was presented on 27 April 2020 by Mr. Saksham Joshi. The presentation on hydrological modeling and reservoir inflow forecast was made to entire NHP community where various stake holders under NHP participated. Presentation highlighted Hydrological modeling and its importance; followed by overview of project “Operational National level hydrological Modeling System” taken up under NHP with the following specific objectives (1) To compute daily water balance components for entire India and (2) To setup a comprehensive soil moisture field experimentation setup across country to validate model computed soil moisture. Daily model computed and various value added products like WBC’s, Climate Indices (SRI, SPI, PASM), forecast surface runoff, Irrigation Requirement Estimation were showcased. With the in gest of forecast meteorological data, model computed forecast surface run off were routed through the stream network to forecast inflows into the 92 major reservoirs of India. Its limitations and further steps taken up to account for upstream abstractions were presented. On-going collaboration with Andhra Pradesh water resources department were presented where customized VIC model framework was prepared at 2.2km grid level with the use of high density AWS data and year specific LULC information to compute soil moisture stress and water budgeting.

The accuracy of hydrological modeling depends on the definition of land cover, soil information and topography and other management practices within the hydrologic unit. In this respect the cooperation of state and central water agencies plays a crucial role where local high density data will be useful in setting up of customised hydrological model setup. At the end, sharing of datasets and possible collaboration with other state agencies were discussed.

Webinar on "Water Bodies Mapping and Monitoring, Applications and WBIS", was presented on 28 April 2020 by Mr. Bharath K Reddy. It mainly discussed on the interaction of water with electro-magnetic radiation and how this characteristic behaviour can be used in extraction of water related information from satellite images. It was also discussed on how microwave remote sensing can be helpful in overcoming the cloud and haze effects when monitoring earth surface. Few examples of water bodies belonging to optical and microwave sensors were shown to the users. Indices and threshold based techniques were explained to user for extraction of water spread area. Various applications where surface water spread information can be used were described. Reservoir capacity loss estimation and fisheries applications were explained to the users in detail. Water Bodies Information System was introduced to the users by explaining the information available and other technical details of sensors used. A short demo was shown to the users how to use Water Bodies Information System.

Mr. K Kalyan Deep from Bhuvan team of NRSC presented on “Bhuvan Geoplatform, with special emphasis on Water and Vegetation related applications” on 29-Apr-2020. He presented on salient features of Bhuvan Geo-platform covering the data visualization, data downloads, thematic services and various Bhuvan applications developed for central and state Ministries and Departments. He specifically explained applications related to water such as AIBP monitoring, near-real-time hydrological modeling products & services, Ganga, TWRIS, and IMD weather products. Applications related agriculture such as CHAMAN was also explained. At the end of the presentation, online demo of Bhuvan portal was shown for to the participants.

Webinar on “Remote Sensing Fundamentals” under NHP was delivered on, April 30, 2020 by Mr. T S Viswanadham. The following topics were covered in the webinar: What is remote sensing?, Brief history of remote sensing, process of remote sensing, EM radiation, spectrum and waves, atmospheric windows for remote sensing, interaction of EM radiation with earth surface features, remote sensing platforms, satellites and orbits, advantages and disadvantages of space borne remote sensing, what is a sensor?, operation mechanisms of remote sensors, four different resolutions of remote sensors, true colour and false colour composites, brief explanation about existing Indian remote sensing satellite sensor systems, visual image interpretation elements. Question and answers session was conducted followed by webinar.

All the above Webinars by NRSC were participated by around 100 participants from all over India, especially from the Implementing agencies (IAs) and it was encouraging to view good interaction from the participants showing that this work will be carried forward by the IAs.

A session was organized on the “NHP MIS” on 20th April 2020- the session was focussed on AWP Creation & Modification/AWP provision for ongoing activities /New Package Creation/ Package Cancellation and Re-biding/ Updating Milestones/ Tracking Procurement Progress/ Syncing of MIS & STEP/ Expenditure Management/ Procurement Document Review process. The highlights during the training were: - Project Dashboard/ Finance Management/ Procurement Management/ Hydrological Information System Management/ Document Management/ Purpose Driven Study (PDS) / Tender Management/ Training & workshop Management/ Audit /Event Management/ Reports/ Help/ Manuals.

Online training was held by CWPRS through e Module on Automated Weather Station under NHP on 21st April 2020. This training focussed on Weather-based Stations, Parameters/ Study in climate, etc.

2nd Webinar on ESHS, by Ms. Charu Jain, ESHS Consultant, The World Bank on 20th April 2020.

The training by CWPRS on the module of Current meter Calibration - Calibration improves the accuracy of the measuring device resulting in better product quality with reliable and accurate output data.

E Module on Telemetry Systems- Telemetry is automated communication process by which measurements and other data are collected at remote or inaccessible points and transmitted to the receiving equipment for monitoring. Data Logger - Importance of Data Logger / Features & Functions/ Important Parameters/ Installation/ Precautions during installation. The Data logger is the heart of any hydro-meteorological monitoring system, it performs various functions in the systems which include sampling, accruing the data at specified intervals, storing the data, maintain the system time.

Canal automation facilitates efficient water conveyance by minimising operational losses, thereby reducing the operational cost. It uses hydraulic analysis for determination of various canal flow related parameters, associate technologies to digitally measure water levels, flow rates and gate movements as well as robust communication system to transmit and receive monitored data and necessary instructions. The e-module explains the Canal Automation strategy and demonstrates CWPRS canal Automation Model.

A online session on Use of Remote Sensing on River Morphology and SWARM under NHP. It’s a Web-based Decision Support Tool for Integrated Water Management.

A training was organized by Maharashtra (SW) on “e-SWIS/WIMS- Water Information Management System” during 6-10 January 2020 under National Hydrological Project at Nashik. The hands-on training covered the Modules on WIMS (Surface Water) Station Management.

This training discussed on Google Earth Engine- This is a powerful variant of desktop or server based Remote Sensing and GIS functionality, Google Earth Engine allows cloud-based geospatial analytics, Google Earth Engine supports JavaScript (command line) and Python (suited for applications development) APIs or Application Programming Interfaces, GEE is very powerful framework for raster processing but relevant for several vector related tasks. It provides a framework; still need to provide modeling processes (supervised classification, principal components etc.)

A live demonstration of VEDAS portal (https://vedas.sac.gov.in) was given to show the capability of Web based processing of satellite data for crop monitoring and hydrology related analysis. User is able to Perform image analysis on long term satellite data and geo-spatial queries.

Real-Time Data Acquisition System (RTDAS) is a process to obtaining the Hydro-Met measurements from Remote Stations and transmit to Central Receiving Station on a Real-Time basis. Real-Time Data Acquisition System (RTDAS) mainly consists of Hydro-meteorological Sensors Data collection platform (DCP) (Datalogger) Power Supply system (Battery, Solar Panel, Charge controller, etc.) Telemetry modem (GSM & GPRS, INSAT Transmitter) Central Data Receiving Station (ERS & SDC). This training was given by Mr. Sunil S. Patil( Instrumentation Expert, NHP).

This training was organised by Mr Meet Agarwal of TAMC. WIMS is a web-based open source software system for managing data entry, primary data validation, data processing, storage etc. for Surface Water and Ground Water Resources. WIMS Software is an extension of eSWIS software. In WIMS data is very much secure and only classified user can access the WIMS application. In WIMS, we can manage and create both kind of station type .i.e. Surface Water and Ground Water WIMS stores all the information of station for both station type (Surface Water and Ground Water) on basis of agencies.

• Water Resources Project - Project Information along with Multi-Attribute Query by Spatial and Multi-Attributes Query are the tools newly added.
• Snow / Glacial - Snow cover/glacier lakes module provides facility for visualization and analysis of satellite data derived information pertaining to snow cover extent, glacial lakes & water bodies of the Indian Himalayan regions.
• Geoviewer - This module is an attempt to bring all the different sets of data on a single application for a comparative and interlinked view to derive a holistic picture with overlay. For assisting the same, many GIS based tools are provided for exploration of datasets.
• Agroecological / Agroclimatic Region - The module introduces Agroecological and Agroclimatic region layer which has specific significance in relation to water and other natural resources of our country.
• Minor Irrigation -Minor irrigation module of India-WRIS depicts data types of minor irrigation scheme including dug well, shallow tube well, deep tube well, surface flow irrigation scheme and surface lift irrigation scheme.
• Reservoir Sediment Study - This module offers the result of sediment study done using remote sensing method and hydrographic survey in different reservoirs spread across India.
• Metadata - Provides the metadata for the various spatial layers in WRIS.
• Socioeconomic - The module compiles information on the hierarchy of Administrative boundaries along with settlement information for urban and rural sets.
• Wasteland - This module provides the results of the spatial extent mapping of the distribution of Wasteland using 2005-06 satellite data by National Remote Sensing Centre (NRSC) in collaboration with various partner institutions.
• Water Tourism - It aims to provide the basic details of water tourism sites regarding its spatial location (latitude/longitude), name of the site, name of the water body (if available), state & district to which it belongs and a brief description of the place. The country level database contains description of 1138 tourist locations of which 1036 are mainly classified as water tourism sites and few other major tourist spots and the database also contains a 292 Wild Life Sanctuaries and National Parks which mainly contains information regarding mammals, reptiles, and birds, established year, nearest city.