CUAHSI Hydrologic Information Systems

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CUAHSI Hydrologic Information Systems

• By David R. Maidment
• With support from many collaborators Ilya
  Zaslavsky, Reza Wahadj, Chaitan Baru, Praveen
  Kumar, Michael Piasecki, Rick Hooper, Jon Duncan,
  David Tarboton, Jeff Horsburgh, Venkat Lakshmi,
  Chunmaio Zheng, Xu Liang, Yao Liang, Ken Reckhow,
  Upmanu Lall, LeRoy Poff, Dennis Lettenmaier,
  Barbara Minsker,
• And many graduate students and post-docs
  Venkatesh Merwade, Tim Whiteaker, Jon Goodall,
  Gil Strassberg, Ben Ruddell, Luis Bermudez, Bora
  Boran,

Thanks to everyone for all their help!
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CUAHSI Hydrologic Information Systems
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Environmental Cyberinfrastructure

• Part of NSF Cyberinfrastructure program
• CUAHSI Hydrologic Information Systems is one of
  several pilot projects CUAHSI, CLEANER, ORION,
  NEON, ..

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CUAHSI Hydrologic Information System
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HIS Status Report Available

• See http//www.cuahsi.org/docs/HISStatusSept15.pdf
  
• Summary of knowledge to date in the CUAHSI HIS
  project
• Your comments and feedback are welcome
  maidment_at_mail.utexas.edu

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HIS Goals

• Hydrologic Data Access System better access to
  a large volume of high quality hydrologic data
• Support for Observatories synthesizing
  hydrologic data for a region
• Advancement of Hydrologic Science data modeling
  and advanced analysis
• Hydrologic Education better data in the
  classroom, basin-focused teaching

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HIS Goals

• Hydrologic Data Access System better access to
  a large volume of high quality hydrologic data
• Support for Observatories synthesizing
  hydrologic data for a region
• Advancement of Hydrologic Science data modeling
  and advanced analysis
• Hydrologic Education better data in the
  classroom, basin-focused teaching

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HIS User Assessment (Chapter 4 in Status Report)
Which of the four HIS goals is most important to
you?
Data Access
Observatory support
Science
Education
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CUAHSI Hydrologic Data Access System(HDAS)
NASA
NCDC
EPA
NWS
USGS
Observatory Data
A common data window for accessing, viewing and
downloading hydrologic information

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National Water Information System
http//waterdata.usgs.gov/nwis

• USGS NWIS website provides manual query and
  download capabilities for data at 1.4 million
  locations in the US
• CUASHI web services for NWIS provide automated
  query and download capabilities

Get the web pages out of the way
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NWIS Station Information in HDAS
http//river.sdsc.edu/HDAS
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Charting Data in HDAS
Data Downloads Executed Here
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Web Services
Web application Data Portal

• Your application
• Excel, ArcGIS, Matlab
• Fortran, C/C, Visual Basic
• Hydrologic model
• .

• Your operating system
• Windows, Unix, Linux, Mac

Internet
Simple Open Access Protocol
Web Services Library
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CUAHSI Web Services Library for NWIS
http//river.sdsc.edu/NWISTS/nwis.asmx
These web services are available now for you to
use in your programming
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Utah State Time Series Analyst(developed by Jeff
Horsburgh)
http//water.usu.edu/nwisanalyst/ 
-- operates on CUAHSI web services -- operates on
local data for Neuse basin
http//water.usu.edu/analyzer/
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http//public.ornl.gov/ameriflux/
Ameriflux site map
Building each web service requires a site map
and a web services library
Ameriflux towers measure vertical fluxes of
water, heat, CO2
Web services library
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Accessing Ameriflux data directly from Excel
using CUAHSI web services
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Description of Data
Michael Piasecki is our expert on this complex
subject
METADATA
(see Chapter 5 of Status Report for details)
Drexel University, College of Engineering
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CLEANER-CUAHSI Cybercollaboratory
http//cleaner.ncsa.uiuc.edu/cybercollab/

• A common portal for web applications resident at
  many locations
• User support and feedback forums
• Do collaborative research using shared tools and
  dialog with a group of scientists
• CLEANERCUAHSI joint projects

Thanks to Barbara Minsker and NCSA for hosting
this service for us This service is still under
development
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HIS Goals

• Hydrologic Data Access System get me the data I
  want quickly and painlessly
• Support for Observatories synthesizing
  hydrologic data for a region
• Advancement of Hydrologic Science data modeling
  and advanced analysis
• Hydrologic Education better data in the
  classroom, basin-focused teaching

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Digital Watershed
How can hydrologists integrate observed and
modeled data from various sources into a single
description of the environment?
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Digital Watershed
Hydrologic Observation Data
Geospatial Data
(GIS)
(Relational database)
Digital Watershed
Remote Sensing Data
Weather and Climate Data
(NetCDF)
(EOS-HDF)
A digital watershed is a synthesis of hydrologic
observation data, geospatial data, remote
sensing data and weather and climate data into a
connected database for a hydrologic region
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Hydrologic Observations Database

• A relational database stored in Access,
  PostgreSQL, SQL/Server, .
• Stores observation data made at points
• Repository for summary data from sensor networks
• Access data through web interfaces

Streamflow
Groundwater levels
Precipitation Climate
Soil moisture data
Flux tower data
Water Quality
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Hydrologic Observations Data Model (Draft version)
Relationships

• CUAHSI review conducted by David Tarboton with
  22 responses
• Redesign done by David and Jeff Horsburgh

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ProposedCUAHSI Observations Data Model(for
details see chap 6 of status report)
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Digital WatershedPrototype for the Neuse basin
(See Chapter 8 in the Status Report for details)
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Neuse Atmospheric Water

• Daily precipitation data from NCDC gages
• Nexrad daily rainfall rasters
• Land surface atmosphere fluxes from North
  American Regional Reanalysis of climate

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Neuse Surface Water

• Streamflow, water quality hydrologic
  observational data
• GIS River network, water bodies, watersheds,
  monitoring points
• Land cover, soils,
• MODIS remote sensing (Praveen Kumar and Venkat
  Lakshmi)

MODIS
Terrain and Land Cover
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Neuse Basin Coastal aquifer system
Section line
Beaufort Aquifer
From USGS, Water Resources Data Report of North
Carolina for WY 2002
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Neuse Groundwater
Geovolumes of hydrogeologic units from US
Geological survey (GMS)
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GeoVolume 3D representation of the surface and
subsurface
Geovolume
Geovolume with groundwater model cells
Geovolume of layered soil texture for the Neuse
basin
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HIS Goals

• Hydrologic Data Access System better access to
  a large volume of high quality hydrologic data
• Support for Observatories synthesizing
  hydrologic data for a region
• Advancement of Hydrologic Science data modeling
  and advanced analysis
• Hydrologic Education better data in the
  classroom, basin-focused teaching

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Hydrologic Science

• It is as important to represent hydrologic
  environments precisely with data as it is to
  represent hydrologic processes with equations
• Hydrologic Process Science
• Equations, simulation models, prediction,
• Hydrologic Information Science
• Digital watershed, data models, integration with
  data of neighboring disciplines

Hydrologic information science supports
hydrologic process science
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HydroVolumes
Take a watershed and extrude it vertically into
the atmosphere and subsurface A hydrovolume is
a volume in space through which water, energy
and mass flow, are stored internally, and
transformed
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Watershed Hydrovolumes
Hydrovolume
Geovolume is the portion of a hydrovolume that
contains solid earth materials
USGS Gaging stations
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Stream channel Hydrovolumes
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Hydrologic Flux Coupler
Hydrologic Fluxes and Flows
Digital Watershed(Atmospheric, surface and
subsurface water)
We want to do water, mass, energy and water
balances
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Hydrologic Flux Coupler
Define the fluxes and flows associated with each
hydrovolume
Evaporation
Precipitation
Streamflow
See Chapter 9 of Status Report for Details
Groundwater recharge
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Praveen Kumar Is our expert on this subject
Data to Knowledge
D2K
Feb
Jan
4-D Data Model
Image to Knowledge
i2K
(See Chapter 10 of the status report for details)
Data Files
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HIS Goals

• Hydrologic Data Access System better access to
  a large volume of high quality hydrologic data
• Support for Observatories synthesizing
  hydrologic data for a region
• Advancement of Hydrologic Science data modeling
  and advanced analysis
• Hydrologic Education better data in the
  classroom, basin-focused teaching

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Basin-oriented teaching

• Focus class on interpretation of a single river
  basin
• Interdisciplinary teaching
• Water balances for each phase of hydrologic cycle
• Use Unidata Integrated Data Viewer to access
  weather info

http//www.ce.utexas.edu/prof/maidment/gradhydro20
05/gradhydro2005.htm
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Where to from here?

• Test bed informatics project
• Determine best way to get tools that are ready to
  go into users hands
• Deliver Hydrologic Data Access System
• Support Hydrologic Information Toolkit (e.g.,
  Time Series Analyst from USU)
• Further development where required (e.g., digital
  watershed, flux coupler, shared data models with
  neighboring science communities)

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Funding Opportunities

• Earth Sciences Instrumentation and Facilities
  competition
• Open competition with proposals due 8 Feb, 2006
• NSF is encouraging proposals for test bed
  project for 5-year period with funding in order
  of 4million
• Developmental projects can also be submitted to
  this competition
• Role of CUAHSI
• Prioritization, Liaison w/ Federal Agencies,
  Testing, Community Education, Coordination among
  Informatics projects
• CUAHSI will support any successful project in
  this competition that requests CUAHSI engagement
• Standard language will be available from web site
• Discuss budget requirements with Rick Hooper
• Jon Duncan will chair a Users Committee for
  reviewing HIS products
• Statement will be posted on CUAHSI web site
  shortly