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THE NATIONAL MAP: AN AGENT FOR ENVIRONMENTAL MODELING USING THE WORLD WIDE WEB. Michael P. Finn Jeffrey D. Spooner David K. Shaver E. Lynn Usery. 8 June 2004. mfinn@usgs.gov. U.S. Department of the Interior U.S. Geological Survey. Outline. Objectives What is The National Map ?

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the national map an agent for environmental modeling using the world wide web

THE NATIONAL MAP: AN AGENT FOR ENVIRONMENTAL MODELING USING THE WORLD WIDE WEB

Michael P. Finn

Jeffrey D. Spooner

David K. Shaver

E. Lynn Usery

8 June 2004

mfinn@usgs.gov

U.S. Department of the Interior

U.S. Geological Survey

outline
Outline
  • Objectives
  • What is The National Map?
  • Architecture (Viewer & Catalog)
  • Environmental Models
  • AGNPS Data Generator
  • Design of the Web Modeling App
  • Conclusions
objectives of the research
Objectives of the Research
  • Feasibility of The National Map to Drive Web-Based Environmental Models
  • Investigation of Adding Other Appropriate Modeling Tools
  • Proof-of-Concept Web Modeling Application
feasibility of the national map to drive web based environmental models
Feasibility of The National Map to Drive Web-Based Environmental Models
  • The National Map as a source of parametric values
  • Agricultural Non-Point Source (AGNPS) Pollution Model as a test case
  • AGNPS Data Generator (ADGen)
the national map
The National Map
  • A synthesis of data, tools, and applications
  • Seamless, continuously maintained, nationally consistent base geographic data
  • Partnerships
  • 24/7 on the Web
  • Source for products
  • The United States’ geographic information infrastructure
slide6

The National Map: Data Content

  • Orthorectified imagery
  • Land characterization
  • Elevation
  • Vector layers:
    • Transportation
    • Hydrography
    • Structures
    • Boundaries
  • Geographic names
the national map catalog
The National Map Catalog
  • There is only oneThe National Map Catalog
  • It represents the set of all Web services that are being evaluated or have been approved as part of The National Map
  • There are many applications, partners, service providers, standards, teams, and business processes interacting with the oneThe National Map Catalog
slide9

USGS Web

Map Service

Viewer

Application

Scalable!

Partner

WMS 1

The National Map

CATALOG

Product Generation

Application

Partner

WMS 2

Partner

Application

Partner

WMS n

Every application uses the Catalog to select the appropriate Web Services

Data comes from Partner provided Web Services

the national map viewer
The National Map Viewer
  • The Viewer is the first application to use the catalog service

http://nmviewogc.cr.usgs.gov

  • The Viewer has some very advanced behavior because of the logic implemented in the Catalog
  • Any catalog-based application could take advantage of this advanced behavior
the national map as a source of parametric values
The National Map as a source of parametric values
  • National Elevation Dataset (NED)
    • And derived parameters: slope, aspect, landforms, etc.
  • For Natural Process Models
    • Surface Runoff, Wildfires, Erosion, Sediment Transport, etc.
agnps pollution model as a test case
AGNPS Pollution Model as a test case
  • Runoff, Erosion, Nutrient Transport
  • Focused on Agricultural Watersheds
adgen
ADGen
  • An ERDAS Imagine GIS -– AGNPS Interface
    • Elevation, Land Cover, and Soils as sources
    • Derive the necessary 22 input parameters to the model
creating agnps images
Creating AGNPS Images

Red – Total Soluble Nitrogen

Green – Sediment Attached Nitrogen

Blue – Drainage Area

investigation of adding other appropriate modeling tools
Investigation of Adding Other Appropriate Modeling Tools
  • Basin Delineation
  • Ground Coordinates
  • Basin Area and Perimeter calculations
proof of concept web modeling application or controller app
Proof-of-Concept Web Modeling Applicationor Controller App
  • Uses The National Map Viewer
  • User defined Area of Interest
  • Query, Download, and Pass to ADGen
  • AGNPS -> Model Output
  • Controller App (controlAp)
    • orchestrate, monitor, and report
controlap initially emulated or hard coded
controlApinitially emulated or “hard-coded”

User

Define AOI

Query

Download

ADGEN

AGNPS

output

controlap next step
controlApNext Step

User

Define AOI

Query

Download

ANY

Environmental Model API

or

“Environmental Model” Web Service

conclusions
Conclusions
  • The National Map is ideally suited to act as an agent for web-based environmental models
    • The National Map will be the US’ geographic information infrastructure
    • While the Viewer is the primary user interface for The National Map, the Catalog is the critical infrastructure behind the scene
    • AGNPS as a test case
    • ADGen, the Imagine GIS Interface
    • controlAP design demonstrates web modeling application or “modeling” web service concept
the national map an agent for environmental modeling using the world wide web25

THE NATIONAL MAP: AN AGENT FOR ENVIRONMENTAL MODELING USING THE WORLD WIDE WEB

Michael P. Finn

Jeffrey D. Spooner

David K. Shaver

E. Lynn Usery

8 June 2004

http://mcmcweb.er.usgs.gov/carto_research

U.S. Department of the Interior

U.S. Geological Survey

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