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Hydrophysical Database for Brazilian Soils

HYBRAS gathers water retention data in a wide suction range (0-15000 cm) of Brazilian soils - open access

HYBRAS - Hydrophysical Database for Brazilian Soils

Collaborators: Department of Hydrology of the Geological Service of Brazil / CPRM, supported by the Federal University of Rio de Janeiro/Brazil, the Federal University of São Carlos/Brazil and international researchers.

HYBRAS gathers water retention data in a wide suction range (0-15000 cm) of Brazilian soils, all measured in undisturbed samples, as well as saturated hydraulic conductivity, granulometric fractions, particle density and bulk density and carbon content data with information of the sites from where the soil samples were obtained. The methodology for determining these soil properties is also available in HYBRAS. It is envisaged in the future to include in HYBRAS unsaturated hydraulic conductivity data!

The Geological Survey of Brazil, in partnership with other research institutions, is developing several pedotransfer functions of hydraulic properties in the Brazilian territory so that they can be used as input data in Brazilian soil modeling studies.

Contact Marta Vasconcelos Ottoni from Geological Survey (CPRM) Brazil or visit

HYBRAS website in english: http://www.cprm.gov.br/en/Hydrology/Research-and-Innovation/HYBRAS-4208.html

HYBRAS.GIS: http://cprm.maps.arcgis.com/apps/webappviewer/index.html?id=251b6d9f660f483d85b9c164948c5d50

HYBRAS paper: https://dl.sciencesocieties.org/publications/vzj/articles/17/1/170095

Meetings - Reports - Publications
Call for Soil Hydraulic data! Oct 18, 2018
2019 Soil Systems Travel Award—Deadline: 31 December 2018 Oct 18, 2018
21st World Congress Soil Science 2018 - IUSS Sep 04, 2018
Conference Programme and Important Updates Aug 29, 2018
Call for Award Nominees: Advances in Soil Modeling (extended) Aug 29, 2018
Special Section in Vadose Zone Journal Jul 30, 2018
Soil Water Infiltration Global (SWIG) database published Jul 13, 2018
ISMC on Twitter; EGU2019 - Call-for-session-proposals; AGU approaching Jul 12, 2018
Abstract submission extended to Jul .15th - ISMC Conference Jun 16, 2018
TERENO International Conference 2018 Jun 14, 2018
ISMC Conference & Award. Abstracts deadline Jun. 15 Jun 12, 2018
Workshop on benchmarking models of root system architecture May 22, 2018
DAISY Model Short Course 27-30. Aug. 2018 May 09, 2018
Hydrophysical Database for Brazilian Soils May 09, 2018
Pan-African Soil Challenge (PASCAL) May 07, 2018
EGU Session summary Apr 20, 2018
ISMC Conference: New perspectives on soil models (Nov. 5-7, 2018) Apr 07, 2018
ISMC open meeting @ EGU2018 Tue. 10/4/2018 Apr 07, 2018
Global Symposium on Soil Pollution (FAO) Apr 06, 2018
OLAM-SOIL modeling workshop @EGU Mar 05, 2018
Join CZO/LTER/NEON/ISMC Meeting Boulder remotely! Feb 09, 2018
New Global Soil Laboratory Network GLOSOLAN runs a survey to collect information on soil laboratories Feb 07, 2018
ISMCs Soil Water Infiltration Global Database now available! Feb 01, 2018
ISMC contributions highlighted! ...and don't forget the abstract deadline for WCSS Rio tomorrow amd the ISMC conference call for sessions Jan 19, 2018
GSOP18, Global Symposium on Soil Pollution | 2 - 4 May 2018 Jan 19, 2018
Come to Rio! Wilford Gardner fellowship for early career scholars to attend the World Congress of Soil Science in Rio de Janeiro in August 2018 Jan 10, 2018
Pedotransfer functions in Earth system science: challenges and perspectives Jan 08, 2018
Webinar January17th, Data Resources and Accessibility Across Observation Networks and Platforms Jan 08, 2018
EGU abstract submission deadline January 10, 2018 Jan 08, 2018
2nd ISMC conference 5-7 November 2018 Call for Sessions Dec 14, 2017
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