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Downscaled Projected Climate Scenario of Talomo-Lipadas Watershed, Davao City, Philippines | OMICS International| Abstract
ISSN: 2157-7617

Journal of Earth Science & Climatic Change
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  • Research Article   
  • J Earth Sci Clim Change 2015, Vol 6(3): 268
  • DOI: 10.4172/2157-7617.1000268

Downscaled Projected Climate Scenario of Talomo-Lipadas Watershed, Davao City, Philippines

Branzuela NE1*, Faderogao FJF2 and Pulhin JM3
1Department of Forestry and Environmental Studies (DFES), College of Arts and Sciences Education (CASE), University of Mindanao(UM), , Davao City, Philippines
2University of the Philippines Foundation Inc., College, Laguna, Philippines
3College of Forestry Natural Resources, University of the Philippines Los Banos, College Laguna, Philippines
*Corresponding Author : Branzuela NE, Department of Forestry and Environmental Studies (DFES), College of Arts and Sciences Education (CASE), University of Mindanao(UM), Davao City, Philippines, Tel: +63 082 305 0640, Email: [email protected]

Received Date: Mar 04, 2015 / Accepted Date: Mar 23, 2015 / Published Date: Mar 30, 2015

Abstract

General Circulation Models (GCMs) are widely used tools to assess potential global climate impacts. However, GCMs’ outputs are difficult to use in regional impact studies because of their coarse spatial resolution; it is much more difficult at local level climate impact assessments. Hence, downscaling techniques are applied to bridge the spatial and temporal resolution gaps between what climate modellers are currently able to provide and what impact assessors require. The study aims to downscale station -scale climate scenarios in Talomo-Lipadas Watersheds, Davao City, Philippines for the years 2020, 2050, and 2080 under two scenarios (A1B and A2). It quantifies the increase/decrease of minimum temperature, maximum temperature, and precipitation. For the two watersheds under study, temperature minimum (Tmin) results show a likely slight increase from 0.159°C to 0.239°C; Tmin also shows an increasing trend under two scenarios (A1B and A2). For temperature maximum (Tmax), the two watersheds will experience prolonged periods of hotter temperature. For precipitation, simulated result shows heavy rainfall of 42.87% above observed data under A1B scenario. At the onset of the year, the two watersheds will experience wetter conditions in two scenarios. A1B scenario is projected to be “wetter” compared to A2 scenario. The highest rainfall of 335 mm is observed in June of 2050 (2041-2070) slice time period.

Keywords: SDSM; Statistical downscaling; Davao watersheds; Projected climate; Talomo-Lipadas; Davao climate

Citation: Branzuela NE, Faderogao FJF, Pulhin JM (2015) Downscaled Projected Climate Scenario of Talomo-Lipadas Watershed, Davao City, Philippines. J Earth Sci Clim Change 6: 268. Doi: 10.4172/2157-7617.1000268

Copyright: ©2015 Branzuela NE, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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