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The Plata Basin covers about 3.6 million km2.

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The La Plata Basin. The Plata Basin covers about 3.6 million km2. The La Plata Basin is the fifth largest in the world and second only to the Amazon Basin in South America in terms of geographical extent. The principal sub-basins are those of the Parana, Paraguay and Uruguay rivers.

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slide1

The La Plata Basin

  • The Plata Basin covers about 3.6 million km2.
  • The La Plata Basin is the fifth largest in the world and second only to the Amazon Basin in South America in terms of geographical extent.
  • The principal sub-basins are those of the Parana, Paraguay and Uruguay rivers.
  • The La Plata Basin covers parts of five countries, Argentina, Bolivia, Brazil, Paraguay and Uruguay.
slide2

Global relevance of the la Plata Basin

  • LPB is home of more than 100 million people including the capital cities of 4 of the five countries, generating 70% of the five countries GNP.
  • The fluvial transport of the Paraguay-Paraná Waterway was of 13,000,000 tons in 2004.
  • The hydroelectric potential is estimated at 92,000 MW. There is more than 150 dams, and 60% of the hydroelectric potential is already used.
  • It is one of the largest food producers (cereals, soybeans and livestock) of the world.
slide3

La Plata Basin (LPB)

Regional Hydroclimate Project

Land cover/Land use changes

Floods

Biomass Burning

  • What climatological and hydrological factors determine the frequency and spatial extent of floods and droughts? 
  • How predictable is the regional weather and climate variability and how predictable are their impacts on the hydrological, agricultural and social systems of the basin?
  • What are the impacts of global climate change and land use change on regional weather, climate, hydrology and agriculture? To what extent can their impacts be predicted?
slide5

Marengo et al. (2003)

SSTs

Chaotic Atm Dyn

LS-A

Soil Moisture Memory (days)

Koster et al. (2000)

Dirmeyer et al. (2009)

slide6

Interannual Variability in the La Plata Basin (LPB)

Positive OND precipitation anomalies in LPB

-ENSO warm events

-SAM negative phase

(1970-1999)

LPB

Correlations between precipitation anomalies in LPB and (left) SST anomalies and (right) 500-hPa geopotential height anomalies. Significant values at 90, 95 and 99% are shaded. NCEP reanalysis data.

(Vera and Silvestri 2009)

slide7

Correlations between OND precipitation anomalies in LPB and SST anomalies from WCRP/CMIP3 models

OBS

Significant values at 90, 95 and 99% are shaded.

(Vera and Silvestri, 2009)

slide8

Correlations between precipitation anomalies in LPB and 500-hPa geopotential height anomalies from WCRP/CMIP3 models

OBS

Significant values at 90, 95 and 99% are shaded.

(Vera and Silvestri, 2009)

slide9

Interdecadal variations of the SAM and its impact on South America

Correlations of the SAM index with in-situ precipitation (a-b), in-situ SLP (c-d), reanalyzed SLP (e-f), Z500 (g-h), WIND850 (i-j) and in-situ surface temperature (k-l). Colours indicate values statistically significant at 90% and 95% levels. Grey dots in cases of in-situ observations indicate stations with no significant correlation.

slide10

IPCC Intergovernmental Panel on Climate Change

Projects with support from national agencies

European Union CLARIS - LPBA Europe-South America Network forClimate Change Assessment and Impact Studiesin the La Plata Basin

Scientific Community in the La Plata Basin: Universities, Research Centers, Operational Centers or Agencies of the 5 countries

Strongly linked at both regional and global levels!

IAI

Ecosystems, Biodiversity,

Land Use and Cover, and

Water Resources

Other Anternational Agencies

CYTED (Spain), NASA, NSF, NOAA (USA), etc.

Interaction with CIC-GEF

Framework Program for the sustainable management of the La Plata Basin water resources, in relation to climate variability

and change

Interaction with national governments and stake holders

slide11

CLARIS LPB A Europe-South America Network forClimate Change Assessment and Impact Studiesin La Plata Basin

The CLARIS LPB consortium

CLARIS LPB Budget (~3.5M€)

slide12

CLARIS LPB Expected Impacts

  • Strengthening of the cooperation between European and South American multidisciplinary research communities
  • Improvement ofclimate change impact prediction capacity for the region through the setting-up of an ensemble of mutli-discipinary scenarios integrating in a coordinated way large-scale climate, regional climate, hydrological, land-use, and agriculture partners.
  • Dissemination of adaptation strategies (specifically designed for land-use, agriculture production, rural development (small farmers), hydropower, flood risk, wetlands ecological systems, river navigation, and near-river urbanization) based on ensembles of probable climate change scenarios for the period 2010-2040
claris lpb subprojects and workpackages
CLARIS LPBSubprojects and WorkPackages
  • Subproject 1: Management, dissemination and coordination activities
    • WP1: Project management (J-P Boulanger, IRD)
    • WP2: Project dissemination and coordination activities (J.-P. Boulanger, IRD)
  • Subproject 2: Past and future hydroclimate (Coordinator: Mario Nuñez, CONICET)
    • WP3: Improving our description of recent past climate variability in La Plata Basin (Matilde Rusticucci, UBA and Phil Jones, UEA)
    • WP4: Hydroclimate past and future low-frequency variability, trends and shifts (Leila Carvalho, USP, and Myriam Khodri, IRD)
    • WP5: Regional Climate Change assessments for La Plata Basin (Hugo Berbery, CONICET and Hervé Le Treut, CNRS)
    • WP6: Processes and future evolution of extreme climate events in La Plata Basin (Iracema Cavalcanti, CPTEC and Andrea Carril, INGV/CONICET)
  • Subproject 3: Project interface (Coordinator: Clare Goodess, UEA)

WP7: An interface for improving prediction capability of climate change societal impacts(Caio Coehlo, CPTEC and J.-P. Boulanger, IRD)

  • Subproject 4: Socio-economic scenarios and adaptation/prevention strategies

WP8: Land use change, agriculture and socio-economic implications (Sandro Schlindwein, UFSC, and Karen Tscherning, ZALF)

· WP9: Water resources in La Plata Basin in the context of climate change (Vicente Barros, CONICET, and Massimo Guerrero, UNIBO)

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