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Investigation:

LC-04 (Foley / Costa)

LBA Dataset ID:

LC04_MACROHYDROLOGY

Originator(s):

1. COSTA, M.H.
2. OLIVEIRA, C.H.C.
3. ANDRADE, R.G.
      4. BUSTAMANTE, T.R.
5. SILVA, F.A.
6. COE, M.T.

Point(s) of Contact:

ORNL DAAC User Services Office Oak Ridge National Laboratory Oak Ridge, Tennessee 37 (ornldaac@ornl.gov)

Dataset Abstract:

Continental scale hydrologic routing models, also known as macrohydrological routing models, have evolved considerably in the past few years. As the models have become more sophisticated, they have represented a variety of new processes, and expanded their data requirements, either as input data or as validation for the model output. This is a new data set of large-scale hydrological river flow routing parameters for the Amazon and Tocantins basins. Part of this data set was required by the development of the continental scale hydrological routing model HYDRA and its application to the Amazon basin. HYDRA represents phenomena like floods, backwater effects and the seasonal hydrograph much more realistically than the previous generation of macrohydrological routing models. The data set contains data on: (1) river network, at 5 minute (~9 km) resolution; (2) time series of monthly means of river discharge, for 122 fluviometric stations spread throughout the basin; (3) sinuosity of each of the main rivers, measured at 111 river sections in the basin; and (4) depth to the water table and transmissivity of the aquifer, derived from measurements taken at 81 points throughout the basin.

Beginning Date:

1967-01-01

Ending Date:

1996-12-31

Metadata Last Updated on:

2011-12-15

Data Status:

Archived

Access Constraints:

PUBLIC

Data Center URL:

http://daac.ornl.gov/

Distribution Contact(s):

ORNL DAAC User Services Office Oak Ridge National Laboratory Oak Ridge, Tennessee 37 (ornldaac@ornl.gov)

Access Instructions:

PUBLIC

Data Access:

IMPORTANT: The LBA-ECO Project website is no longer being supported. Links to external websites may be inactive. Final data products from the LBA project can be found at the ORNL DAAC. Please follow the fair use guidelines found in the dataset documentation when using or citing LBA data.
Datafile(s):

LBA-ECO LC-04 Macrohydrological Routing Data for the Amazon and Tocantins River Basin:  http://daac.ornl.gov/cgi-bin/dsviewer.pl?ds_id=1048

Documentation/Other Supporting Documents:

LBA-ECO LC-04 Macrohydrological Routing Data for the Amazon and Tocantins River Basin:  http://daac.ornl.gov/LBA/guides/LC04_Macrohydrology.html

Citation Information - Other Details:

Costa, M.H., C.H.C. Oliveira, R.G. Andrade, T.R. Bustamante, F.A. Silva, and M.T. Coe. 2011. Data set. LBA-ECO LC-04 Macrohydrological Routing Data for the Amazon and Tocantins River Basins. Available on-line [http://daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. doi: 10.3334/ORNLDAAC/1048

Keywords - Theme:

Parameter Topic Term Source Sensor
AQUIFER TRANSMISSIVITY HYDROSPHERE GROUND WATER COMPUTER MODEL MODEL ANALYSIS
DISCHARGE/FLOW HYDROSPHERE SURFACE WATER COMPUTER MODEL MODEL ANALYSIS
RIVER NETWORK HYDROSPHERE SURFACE WATER COMPUTER MODEL MODEL ANALYSIS
RIVER SINUOSITY HYDROSPHERE SURFACE WATER COMPUTER MODEL MODEL ANALYSIS
WATER TABLE DEPTH HYDROSPHERE GROUND WATER COMPUTER MODEL MODEL ANALYSIS

Uncontrolled Theme Keyword(s):  AMAZON BASIN, MACROHYDROLOGY, STREAMFLOW, SURFACE RUNOFF

Keywords - Place (with associated coordinates):

Region
(click to view profile)
Site
(click to view profile)
North South East West
  AMAZON BASIN 6.00000 -21.12000 -45.00000 -80.00000

Related Publication(s):

Costa, M.H., A. Botta, and J.A. Cardille. 2003. Effects of large-scale changes in land cover on the discharge of the Tocantins River, Southeastern Amazonia. Journal of Hydrology 283(1-4):206-217.

Costa, M.H., C.H.C. Oliveira, R.G. Andrade, T.R. Bustamante, F.A. Silva, and M.T. Coe. 2002. A macroscale hydrological data set of river flow routing parameters for the Amazon Basin. Journal of Geophysical Research-Atmospheres 107(D20):Article-8039.

Data Characteristics (Entity and Attribute Overview):

Data Characteristics:

Datasets available:

1. River network

2. River sinuosity

3. River discharge

4. Depth to the water table

5. Transmissivity of the aquifer




Dataset descriptions:


(1) River Network:</b>

Directory name: Network_and_sinuosity

File name: network.17.txt (17 means the 17th revision).

File contents: Text file of river directions, with 420 columns and 324 rows; northwesternmost corner at (6 oN, 80 oW), resolution 5-minute arc (12 cells per degree).

Number format is integer. Unit: adimensional.

Conventions are:

0: outside the basin;

1: river flow northward

2: river flow northeastward

3: river flow eastward

4: river flow southeastward

5: river flow southward

6: river flow southwestward

7: river flow westward

8: river flow northwestward

9: river mouth (these points are actually outside the basin)

See more details in the paper.




(2) Sinuosity of each of the main rivers: </b>

Directory name: Network_and_sinuosity

File name: sinuosity.17.txt (17 means the 17th revision).

File contents: Text file of river directions, with 420 columns and 324 rows; northwesternmost corner at (6 oN, 80 oW), resolution 5-minute arc (12 cells per degree).

Number format is integer.

Unit: percentage.

Conventions: 0 is outside the basin, any number greater than zero is inside the basin. See more details in the paper.




(3) Time series of monthly means of river discharge for 122 fluviometric stations: </b>

Directory name: Discharge

Station information: stationdata.pdf describes the stations;

File name: files 001.xls through 122.xls

File contents: files contain the time series and climatology for each station. xls is a spreadsheet format, readable by most spreadsheet software, under Windows, MacOS or

Linux;

file stationdata.xls has the same information presented in stationdata.pdf, but includes the x and y coordinate of the station, compatible with the file network.17.txt.

Unit: m3/s.

See more details in the paper.




(4) Depth to the water table: </b>

Directory name: Groundwater

File name: Depth.txt

File contents: Text file of depth of the water table, with 420 columns and 324 rows; northwesternmost corner at (6 oN, 80 oW), resolution 5-minute arc (12 cells per degree).

Number format is real.

Unit: m.

Conventions: 0 is outside the basin, any number smaller than zero represents a below surface water table; any number greater than zero represents a water table above the surface (a wetland, for example). The original well data is in the file original well data.xls. The original data was interpolated to the presented version using a GIS.

See more details in the paper.




(5) Transmissivity of the aquifer: </b>

Directory name: Groundwater

File name: transmissivity.txt.

File contents: Text file of transmissivity of the aquifer, with 420 columns and 324 rows; northwesternmost corner at (6 oN, 80 oW), resolution 5-minute arc (12 cells per degree).

Number format is real.

Unit: m2/day.

Conventions: 0 is outside the basin, any number greater than zero is inside the basin. The original well data is in the file original well data.xls. The original data was interpolated to the presented version using a GIS.

See more details in the paper.

Data Application and Derivation:

Part of this data set was required by the development of the continental-scale hydrological routing model HYDRA and its application to the Amazon Basin. HYDRA represents phenomenalike floods, backwater effects, and seasonal hydrograph much more realistically than the previous generation of macrohydrological routing models. This data set can be used as input, development, and validation of similar hydrologic models.

Quality Assessment (Data Quality Attribute Accuracy Report):

Quality Assessment:

Not available.

Process Description:

Data Acquisition Materials and Methods:

Not available.

References:

None.

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