The Hydrological project cas e Survey of Israel C ontent - - PowerPoint PPT Presentation

State of Israel Ministry of Housing and Construction Survey of Israel

The Hydrological project cas e

Survey of Israel

C

• ntent

Introduction T

• the S

urvey of Is rael The operation as s umptions The operation as s umptions The main res pons ibilities and projects The Hydrological data enhancement The Hydrological data enhancement project project C

• nclus

ions

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Policy Policy

Licensing Surveyors Survey Regulations

Cadastre

Mapping &

Geodesy

R es earch

Professional lead

Mapping &

GIS

The S urvey of Israel is a governmental agency for Mapping,

The Survey of Israel is a governmental agency for M apping, Geodesy, Cadastre and Geoinformatics

The SOI building in 1930

• Established in 1920 during

the British Mandate

The SOI building in 1930

the British Mandate

• ~ 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

5 5

The Dead Sea

Politics

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 Land Land Planning and development Planning and development Land Land

7 7

Homeland Security Homeland Security

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• 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.

8

1600 plans.

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• 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
• ntrol - 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

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• 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.

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• 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

TopoCad Idea - Integration of functions

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TopoCad Idea - Integration of functions

in one system

National Aerial National Aerial Photographs Archive

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Isprs - Serving Society with Geoinformatics, 11-17 November 2013 17

S urvey R egulation s upport new mapping technologies and s tandards

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technologies and s tandards

Mobile mapping Satellite sensors

UAV mapping Laser scanning Advanced GNSS

Digital geodetic leveling

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• 1. The flow channels (streams+ tunnels)

1. The flow channels (streams+ tunnels) 2. Water bodies 3. Hydrographic lines (water falls, dams , etc.) 3. Hydrographic lines (water falls, dams , etc.) 4. Water sources (springs, wells, holes, etc.) 5. Basins

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The starting point… ..

The starting point… ..

Last updated 2004 A vast demand for up to date data Last updated 2004 up to date data Strong demand Was not exist Strong demand from users to build network and stream order Many hydro line where collected for DEM, but with Most of the users demanded for DEM, but with no hydro function demanded generalization

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• The Kishon basin before
• The Kishon basin after
• The Kishon basin before
• The Kishon basin after

Sinking point

S trahler’sStream Order

The technical approach The technical approach

National basins & streams plan 34:

MAPI TOPO: WATER_FLOW & MAPI TOPO: WATER_FLOW & CARTONAMES MAPI TERRAIN DATA

Water authority :BASINS division layer

Select data by Basin

ATTRIBUTES:

BAS_ID NET_ID NET_ID EDIT SOURCE STRAHLER LINK_ID FLIP FN TN ACCLEN

TERRAIN_<BASIN ID> HYDRO_<BASIN ID>

ACCLEN

Automatic Automatic processes for Data extraction and work environment preparation The data extraction was based on the basins division layer

DTM

DTM

Automatic process for hydro data editing

DTM DTM

FLOW STREAMS FLOW STREAMS

Portraying the original stream data

Developing flow model based on DEM

WATER_FLOW WATER_FLOW

Basins Plan Basins Plan 34 34 & streams & streams

Define groups of line and connecting to one network Comparing to plan 34 and carto data

Building nodes and connectivity

WATER_FLOW WATER_FLOW

Basins Plan Basins Plan 34 34 & streams & streams names names Interactive processes

Adding lines and connectivity Manual editing WATER_FLOW WATER_FLOW Arc Arc-

• node

node

Stream Network Stream Network

QA

Manual editing Network creation Defining the SINKS Additional iterative processes WATER_FLOW WATER_FLOW NODES NODES Python scripts Python scripts Arc Arc-

• node

node Connection Connection

QA

loops Junctions Connectivity

Network analysis S

trahler’s Stream Order calculation Lines direction -Flip Heights QA Upstream Acc. Length

) Ups tream Accumulation L ength

(

) Ups tream Accumulation L ength

(

S trahler’sS tream Order S trahler’sS tream Order

SINKING POINT

Names placement

• The national water authority – national level

planning, F low models, flood models, streams

• The national water authority – national level

planning, F low models, flood models, streams channel maintenance.

• L
• cal water authorities

– as above on local/basin

• L
• cal water authorities

– as above on local/basin level, Monitoring the use of water sources.

• Minis

try of Agriculture – S

• il erosion models,
• Minis

try of Agriculture – S

• il erosion models,

estimation of flood damages to farmers,

• L
• cal authorities

& emergency authorities – flood damages preparedness. flood damages 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 basins layer Enhanced streams layer

• Hydrology data product – F

ree, as part of the S OI

• Hydrology data product – F

ree, as part of the S OI line of products (S HP , GDB)

• Map portal – www.govmap.gov.il in all
• Map portal – www.govmap.gov.il in all

web/mobile platforms

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