Amazon Basin Hydrological Routing and Aquifer Data

122 fluviometric stations provide monthly mean river discharge and climatology time series for the Amazon and Tocantins River basins. The dataset includes geospatial grids for river network flow direction and sinuosity, plus aquifer parameters derived from 81 well measurements. This continental-scale hydrological parameter data was produced by Costa et al. in 2002.

Use Cases

• Calibrating continental-scale hydrological models using the river network flow direction grid.
• Analyzing groundwater-surface water interactions with depth to water table and aquifer transmissivity parameters.
• Studying long-term river discharge patterns using monthly mean time series from 122 stations.
• Mapping river channel characteristics using sinuosity measurements from 111 river sections.
• Assessing basin-wide water resources with combined station location, drainage area, and well data.

Strengths

• Includes direct measurements from 122 river discharge stations and 81 groundwater wells.
• Provides continental-scale coverage for the Amazon and Tocantins basins at ~9km resolution.
• Combines time-series discharge data with static geospatial parameters for routing.

Limitations

• Specific column names and total row counts are not documented on any platform.
• Conflicting last update dates: one source lists 2026-03-13, another lists 1996-12 31.
• The license is specified as 'other-license-specified' without further details.

Provenance

Source

Costa et al., 2002. Organization listed as ORNL_CLOUD on one platform.

Collection Method

Parameters derived from station and well measurements; geospatial data in ESRI Arc/Info ASCII Grid format.

Time Range

Period of record for monthly mean discharge and climatology (specific years not provided).

Freshness

2026-03-13 01:03:19.770097

Geography

Amazon and Tocantins River basins.