International Journal of Computer Science Trends and Technology (IJCST) – Volume 5 Issue 2, Mar – Apr 2017 ISSN: 2347-8578 www.ijcstjournal.org Page 20 Hydrological Information System using Archydro Data Model Mr. Pritam R. Patil [1] , Dr.S.B.Thorat [2] , Dr.S.R.Pande [3] Research Scholars [1] Dept of Electronics and Computer Science Rashtrasant Tukadoji Maharaj Nagpur University Nagpur Director [2] SSBES, Institute of Technology & Management,VIP Road, Nanded Head [3] Dept. of Computer Science, Shri Shivaji Science College,Congress Nagar, Nagpur Maharashtra – India ABSTRACT This paper addresses a computer system capable of integrating, storing, analyzing, and displaying geographic information. Currently, the Geographic Information System is not only limited to cartography but also related to various data management such as natural resource management, environmental impact assessment, and etc. The Internet system allows more geographic information sharing as many users can access at the same time. The Internet GIS system including Management Information is a research and application area that utilizes the Internet systems to facilitate the access, processing, and dissemination of geographic or non-geographic information. Keywords :- Web-GIS; Geographic Information System; Decision Support System; I. INTRODUCTION The study area is Marathawada region selected, the Hydrologic Information System can be developed using the selected data model Arc hydro. The ArcGIS Hydro data model Arc Hydro is a geospatial and temporal data model for surface water resources that operates within ArcGIS and supports hydrologic simulation models. Arc Hydro defines a set of water resources feature classes (classes with Point, multipoint, polyline, polygon, annotation or network features) in ArcGIS (such as watersheds, monitoring points) and the relations between these classes and stores them in a geodatabase. A geodatabase is a special form of a relational database that stores geospatial coordinate data of a GIS layer in one field in a relational data table. The complete model consists of five categories to divide water resources elements: network, drainage, channel, hydrography and time series. This model is used for this research because it can automatically transfer a geodatabase into a Hydrologic Information System and therefore has great potential to be used for water resources studies. The model uses an ArcGIS geometric network to trace the flow of water through a stream network and can relate drainage, stream confluences, water discharge and monitoring points required in this research using ArcGIS relationship classes. II. HYDROLOGICAL INFORMATION SYSTEM The occurrence of water shows great variability in space and time and requires that adequate measurement networks are established to define spatial variability and that they are maintained over a sufficient period of time to define temporal variability of a water variable. Management of water services for domestic, industrial, agricultural and power generation - and protection from the vagaries of floods and droughts, requires information on storages and fluxes of water. A Hydrological Information System (HIS) consists of the physical infrastructure, software and human resources to collect, process, store and disseminate data on hydro meteorological, hydrological, geo-hydrological and related variables. The physical infrastructure includes the data observation networks, laboratories for analysis of samples, communication systems, and data storage and processing centers. The human resources are the trained staff who observe, key-in, process, disseminate the data and maintain the equipment computers, etc. Fig. 1 Schematic diagram of a hydrological information system. RESEARCH ARTICLE OPEN ACCESS