State of Israel Ministry of Housing and Construction Survey of Israel The Hydrological project cas e
Survey of Israel C ontent Introduction T o the S urvey of Is rael The operation as The operation as s s umptions umptions The main res pons ibilities and projects The Hydrological data enhancement The Hydrological data enhancement project project C onclus ions
Survey of Israel Policy Policy Licensing Surveyors Cadastre Survey Regulations R es earch Geodesy Professional lead Mapping & Mapping & GIS The S The Survey of Israel is a governmental agency for M apping, urvey of Israel is a governmental agency for Mapping, Geodesy, Cadastre and Geoinformatics
• Established in 1920 during the British Mandate the British Mandate The SOI building in 1930 The SOI building in 1930 • ~ 250 employees. • Annual budget of ~ €25M • Annual budget of ~ €25M • The DG leads the Israeli inter-governmental committee for GIS for GIS The SOI building today
Challenges and problem s Challenges and problem s The State of Israel is facing some tough challenges : The State of Israel is facing some tough challenges : High population density Rapid urbanization Rapid urbanization Severe shortage in land Serious scarcity in water Global problems: Global warming Energy crisis Energy crisis Rising cost of basic commodities Specific problem Specific problem Security Politics Politics 5 5 The Dead Sea
6 6
Effective solution requires: • Reliable geospatial information which is based on a common • Reliable geospatial information which is based on a common geodetic framework • Data integration and sharing among agencies • Data integration and sharing among agencies Demographics Demographics Natural resources Natural resources Natural resources Natural resources Climate Climate Industry and business Industry and business Planning and development Planning and development Land Land Land Land 7 7 Homeland Security Homeland Security
Survey of Israel • The cadastral system in Israel is a register of properties following the Torrence principles. following the Torrence principles. • The state guarantees the title (property location, delimitation and ownership). • The Survey of Israel is responsible for the geodetic accuracy • The Survey of Israel is responsible for the geodetic accuracy and accordance to the zoning plan . • Land settlement, covers nowadays about 96% of the State area and about 96% of the State area and includes about 16,000 blocks that contain 800,000 parcels. • The annual number of new mutation plans approved by the SOI is 1200- 1600 plans. 1600 plans. 8
Survey of Israel • Coordinate Based Cadaster (CBC) • Maritime Cadaster • Boundaries recording plan. • 3D Cadaster • 3D Cadaster Cloud based services Cloud based services • On-line Cadaster information system. • On-line QA and coordinates transformation services. • Integration of planning, surveying, registration and construction • Integration of planning, surveying, registration and construction procedures.
The S urvey of Israel is responsible for the Geodetic Infrastructure of Israel, including the • Horizontal C ontrol - a network of 22 continuously operating reference stations • Vertical control – a network of Benchmarks • Vertical control – a network of Benchmarks surveyed with high accuracy and a geoid undulation model
Survey of Israel • Since 1991 the Survey of Israel maps the entire country • Since 1991 the Survey of Israel maps the entire country using 1:40000 aerial photography and field surveys. • The National Topographic Database includes Building, • The National Topographic Database includes Building, Transportation, Street names, Land Cover, Hydrology, Land Cover, Hydrology, Elevation, and many more layers. layers.
Survey of Israel • Color Ortho-photographes at a resolution of 25 cm on an • Color Ortho-photographes at a resolution of 25 cm on an annual basis. • The Ortho - photographes are produced using digital • The Ortho - photographes are produced using digital cameras (including the innovative A3 camera from Visionmap) Visionmap) • These data are used by all the governmental offices for planning, construction, management, Emergency services and more. and more.
• A national website that disseminates more than 140 governmental • A national website that disseminates more than 140 governmental layers in a friendly user interface. • The Geo-portal supports user generated content, various software • The Geo-portal supports user generated content, various software interfaces (APIs), eight tailor-made application to retrieve data (Census data, aerial photographs, bus routes, planning maps, etc.) and more. etc.) and more.
Special applications developed in collaboration with government agencies Ten special applications were developed in collaboration with the different governmental agencies including: different governmental agencies including: The transportation ministry – Public transportation The Census Bureau – Demographics data Israel Land Authority – Zoning maps Israel Meteorological Service – climate and weather data Ministry of Environmental Protection - Cellular towers, real Ministry of Environmental Protection - Cellular towers, real time air quality information
Survey of Israel TopoCad Idea - Integration of functions TopoCad Idea - Integration of functions in one system National Aerial National Aerial Photographs Archive
Survey of Israel Isprs - Serving Society with Geoinformatics, 11 - 17 November 2013 17
Survey of Israel S urvey R egulation s upport new mapping technologies technologies and s and s tandards tandards UAV mapping Satellite sensors Mobile mapping Digital geodetic leveling Advanced GNSS Laser scanning
Survey of Israel 1. The flow channels (streams+ tunnels) 1. The flow channels (streams+ tunnels) 2. Water bodies 3. 3. Hydrographic lines (water falls, dams , etc.) Hydrographic lines (water falls, dams , etc.) 4. Water sources (springs, wells, holes, etc.) 5. Basins
Survey of Israel The starting point… The starting point… .. .. A vast demand for Last updated 2004 Last updated 2004 up to date data up to date data Strong demand Strong demand from users to build Was not exist network and stream order Many hydro line Most of the users where collected demanded demanded for DEM, but with for DEM, but with generalization no hydro function
Survey of Israel • • The Kishon basin before The Kishon basin before • • The Kishon basin after The Kishon basin after Sinking point S trahler’s Stream Order
The technical approach The technical approach MAPI National basins & streams plan 34 : TOPO: WATER_FLOW & TOPO: WATER_FLOW & MAPI MAPI CARTONAMES TERRAIN DATA Select data Water authority :BASINS division by layer Basin ATTRIBUTES : BAS_ID NET_ID NET_ID EDIT SOURCE STRAHLER TERRAIN_<BASIN ID > HYDRO_<BASIN ID> LINK_ID FLIP FN TN ACCLEN ACCLEN Automatic Automatic processes for Data extraction and work environment preparation The data extraction was based on the basins division layer
DTM DTM DTM DTM Developing flow model based on DEM WATER_FLOW WATER_FLOW Automatic process for hydro data editing FLOW STREAMS FLOW STREAMS Portraying the original stream data Define groups of line and connecting to one network WATER_FLOW WATER_FLOW Comparing to plan 34 and carto data Building nodes and connectivity Basins Plan 34 Basins Plan Basins Plan Basins Plan 34 34 & streams 34 & streams & streams & streams names names Interactive processes Stream Network Stream Network Adding lines and connectivity QA QA Manual editing Manual editing WATER_FLOW WATER_FLOW WATER_FLOW WATER_FLOW Arc Arc - Arc - Arc - node - node node node NODES NODES Connection Connection loops Junctions Additional iterative processes Connectivity Python scripts Python scripts Network creation Defining the SINKS Network analysis S trahler’s Stream Order calculation Lines direction - Flip Heights QA Upstream Acc. Length
Ups Ups tream Accumulation L tream Accumulation L ength ength ) ) ( (
S S trahler’sS trahler’sS tream Order tream Order SINKING POINT
Names placement -
• The national water authority – national level • The national water authority – national level planning, F planning, F low models, flood models, streams low models, flood models, streams channel maintenance. • L • L ocal water authorities ocal water authorities – as – as above on local/basin above on local/basin level, Monitoring the use of water sources. • Minis • Minis try of Agriculture – S try of Agriculture – S oil erosion models, oil erosion models, estimation of flood damages to farmers, • L ocal authorities & emergency authorities – flood damages flood damages preparedness. preparedness. • S urvey of Is rael – cartography, map portal.
Current status Current status Green - 135 finished basins – in final QA Blue - 45 in production – most of which Are internal sinking
Enhanced streams layer Enhanced basins layer
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