Forestal Arauco experimental catchments streamflow-rainfall data


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Created: Oct 01, 2020 at 2:12 p.m.
Last updated: Dec 11, 2020 at 11:15 a.m.
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Abstract

Bioforest SA, the R&D institution of Forestal Arauco, initiated a Forest Hydrology program in 2008. This program established a network of gauged catchments under different forest types within the coastal range in South-central Chile where most of the plantations are located. The catchments are covered with either native forest or plantations of Pinus radiata or Eucalyptus (globulus and nitens). The catchments cover the main climate types in the central Chilean plantation estate. These are the semi-arid coastal zone near Constitucion (600mm) in the Maule Region, the humid zone in Arauco (1200mm), the higher rainfall part of the humid zone at Curanilahue (2000mm) and the cool high rainfall zone near Valdivia (2000mm). This repository contains streamflow and rainfall data from 10 small catchment within the coastal range of central southern Chile between 35° and -39 degrees of latitude south. These catchments share similar metamorphic geology (metamorphic). A 90° V notch weir was built at each catchment outlet and data is collected at 5 min interval using a pressure transducer that is calibrated monthly (OTT Orpheus Mini, Kempten, Germany). The streamflow data is in the format of "catchmentName_initialyear_endyear" inside the Streamflow folder and the units are mm per day. There are some gaps in the data due to weir reparation or other issues.

Rainfall data are also provided for all of the catchments (rainfall folder and a kmz file giving the location of each rain gauge) as well as a .shp format file of the catchment outline and the Digital Elevation Model (DEM) at 5x5m resolution. Llancahue rain gauge DGA station near Valdivia had 2 missing values (october 31st 2016 and march 11th 2017); they were completed fitting nearby rain gauge stations.

Near Constitucion in the Maule Region we have Quivolgo 1, 2, and 3 (Q1-Q3, pine plantations, and Q2 native forest). These catchments were completely burnt in the megafires of 2017. Also, in Quivolgo 1 (Q1) flow ceased in October 2013, started again in August 2014, and ceased again in November 2014.
In the humid zone in Arauco, we have Maria las Cruces 2 and 4 (MLC, pine plantations). In the higher rainfall part of the humid zone at Curanilahue we have Bajo las Quemas 1 and 2 (BLQ, Eucalyptus plantations) and in the cool high rainfall zone near Valdivia Entrerios (ER, native forest), San Gabriel 1 and 2 (SG, pine plantations).
Forest management of these catchment is upon request and in the future in a DataNote paper. Land cover attributes available inside folder catchment polygons.

Related publication:
Balocchi, F., Flores, N., Neary, D., White, D., Silberstein, R., Ramirez de Arellano. (2020). The effect of the ‘Las Maquinas’ wildfire of 2017 on the hydrologic balance of a High Conservation Value Hualo (Nothofagus glauca (Phil.) Krasser) forest in Central Chile. Forest Ecology and Management, 477C, 118482. DOI: 10.1016/j.foreco.2020.118482

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Resource Level Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Forestal Arauco flow gauge location dataset
North Latitude
-34.8979°
East Longitude
-72.0948°
South Latitude
-40.0556°
West Longitude
-74.3470°

Temporal

Start Date:
End Date:

Content

Data Services

The following web services are available for data contained in this resource. Geospatial Feature and Raster data are made available via Open Geospatial Consortium Web Services. The provided links can be copied and pasted into GIS software to access these data. Multidimensional NetCDF data are made available via a THREDDS Data Server using remote data access protocols such as OPeNDAP. Other data services may be made available in the future to support additional data types.

How to Cite

Balocchi, F., D. A. White, R. P. Silberstein, P. R. d. Arellano (2020). Forestal Arauco experimental catchments streamflow-rainfall data, HydroShare, http://www.hydroshare.org/resource/4b517deaa07243aa8c46a58646dd4281

This resource is shared under the Creative Commons Attribution-NoDerivs CC BY-ND.

 http://creativecommons.org/licenses/by-nd/4.0/
CC-BY-ND

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