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Climate Variability and Climate Change Scenarios for Cocos Island National Park, Costa Rica, Costa Rica Eric J. Alfaro Marine Sciences and Limnology Research Center (CIMAR), School of Physics and Center for Geophysical Research (CIGEFI). University of Costa Rica VII Convención Internacional sobre Medio Ambiente y Desarrollo “Formar Conciencia para Salvar al Planeta“ I Congreso Internacional sobre Cambio Climático Palacio de las Convenciones, Habana, Cuba July 6 – 10th, 2009 Corresponding author address: Eric J. Alfaro, Centro de Investigación en Ciencias del Mar y Limnología (CIMAR), Universidad de Costa Rica, 11501-2060 San José, Costa Rica. E-mail: [email protected] Costa Rica Isla del Coco National Park is located in the Eastern Tropical Pacific (5.5ºN, 87ºW), about 500 km offshore of the nearest Costa Rican continental coast. • Land area: 51,100 km2 (8.5% of the total) • Total (Sea+Land) area: 598,700 km2 The island is part of the Eastern Tropical Pacific Seascape Project that includes the Galapagos Islands and Marine Reserve (Ecuador), Coiba National Park (Panama) and the Colombian islands of Malpelo and Gorgona. Project: Knowledge and management of marine and coral reef environments of Isla del Coco Marine Protected Area (P.I.: Dr. Jorge Cortés-4) . Funded by: the French Fund for the World's Environment, the Vice-presidency for Research and Marine Sciences and Limnology Research Center, Universidad de Costa Rica. • • • • • • Ocean Dynamic Study around Isla del Coco (Co-PI: Dr. Omar Lizano-1) Climatology and interannual variability of atmospheric and oceanic parameters at Isla del Coco (Co-PI: Dr. Eric Alfaro-2) Physical-Chemical parameters related to the biodiversity of the coral reefs of Isla del Coco (Co-PI: M.Sc. Jenaro Acuña-3) Assesment of the present state, retrospective analysis and long term monitoring of coral reef of Isla del Coco (Co-PI: Dr. Jorge Cortés-4) Biodiversity study of coral reef organisms of Isla del Coco (Co-PI: Dr. Jorge Cortés4) Diversity of the plancton associated with the Isla del Coco environments (Co-PI: Dr. Álvaro Morales-5) Multidisciplinary Approach... 1 2 4 3 5 año(-1) año(0) año(+1) r DEF 0.5 NDE 0.4 OND 0.3 Indice Precipitacion, Isla del Coco SON 0.2 ASO JAS 0.1 JJA 0 MJJ -0.1 AMJ -0.2 MAM -0.3 FMA -0.4 EFM Niño 1&2 FMA FMA MJJ BN N AN ASO NDE FMA MJJ ASO Niño 1&2 NDE FMA MJJ ASO NDE Precipitación Isla del Coco BN N 67(6)*** 33(3) 22(2) 44(4) 11(1)** 22(2) MJJ AN 0(0)*** 33(3) 67(6)*** χ2 = 11.33**, rs = 0.59***, τ = 0.41*** ( = 0.01 => ***, 0.05 => **, 0.10 => * ) Models: CCC1TR, CSI2TR, ECH4TR, GISSTR, HAD2TR, ECH3TR, HAD3TR. IPCC, TAR. Tool: MAGICC/SCENGEN. Average changes A1B scenario, 20 AOGCMs Moderate emissions, IPCC(2007) PRECIS (http://precis.insmet.cu/PrecisCaribe.htm ) Taylor, M.A, A. Centella, J. Charley, I. Borrajero, A. Bezanilla, J. Campbell, R. Rivero, T.S. Stephenson, F. Whyte & R. Watson. 2007. Glimpses of the future: A Briefing from the PRECIS Caribbean Climate Change Project, Caribbean Community Climate Change Centre, Belmopan, Belize, 24 pp. SDSM(http://www.cics.uvic.ca/scenarios/ ) ¡Gracias! MM5 Numerical Model, Forecast Validation and Data Assimilation Collaborators: Dr. Jorge Amador, M.Sc. Erick Rivera, B.Sc. Marcela Ulate, B.Sc. Ana Durán and Meteorology Student Blanca Calderón. CIGEFI-UCR GCMs => PRECIS(http://precis.insmet.cu /Precis-Caribe.htm) SDSM(http://www.cics.uvic.ca /scenarios/) GENERAL OBJECTIVE - To generate information about the marine ecosystems of Isla del Coco, in order to improve its management and conservation SOME SPECIFIC OBJECTIVES: - Capacity building of the ACMIC personnel: Chemical and Biological sampling. Physical and Biological data adquisition. Early warning of atypical events and conditions. Data and samples basic analysis. - Generation of plans for future monitoring activities that could help conservation and management. Rainfall data Why CC matters in this project? Some expected CC Impacts (IPCC, AR-4, WG-II, Chaps. 13-Latin America & 16-Small Islands): • • • • • • • The projected mean warming for Latin America to the end of the century, according to different climate models, ranges from 1 to 4°C for the SRES emissions scenario B2 and from 2 to 6°C for scenario A2 (medium confidence). Under future climate change, there is a risk of significant species extinctions in many areas of tropical Latin America (high confidence). The expected increases in sea-level rise (SLR), weather and climatic variability and extremes are very likely to affect coastal areas (high confidence). Future sustainable development plans should include adaptation strategies to enhance the integration of climate change into development policies (high confidence). Small islands, whether located in the tropics or higher latitudes, have characteristics which make them especially vulnerable to the effects of climate change, sea-level rise, and extreme events (very high confidence). Climate change is likely to heavily impact coral reefs, fisheries and othermarine-based resources (high confidence). New studies confirm previous findings that the effects of climate change on tourism are likely to be direct and indirect, and largely negative (high confidence).