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Sediment Yield (ton ha"! yr!)
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Sediment Yield (ton ha! yr!)
SP SS Scenarios
> s ; ena |
v HOriginal Scenario — Mitigation Measures Applied
Scenarios
(a) (b)
Figure 6. Simulated sediment yield of the basin under different scenarios: (a) BS=Base Scenario, LC=land use/land cover change scenario, codes for
other scenarios: A1B-climate change scenario A1B, A2= climate change scenario A2, 20=corresponds to year 2020, 50=corresponds to year 2050
(e.g., A1B20LC= climate change scenario A1B at year 2020 with land use/land cover change scenario); (b) Comparison of sediment yields generated
before and after applying mitigation measures.
HRUs for Reforestation and Afforestation
Figure 7. The HRUs where mitigation measures (afforestation and
reforestation) were applied.
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C., & Dillaha, T., 2009. Predicting the Effects of land Use on Runoff
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http://kidlat.pagasa.dost.gov.ph/cab/scenario.htm. (27 October 2011).
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Project for the Lower Cagayan River in the Republic of the Philippines
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sediment yield estimation in a mountainous agricultural basin. In:
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Hill, USA.
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calibration for hydrologic models: Comparison with multilevel expert
calibration. J. Hydrologic Eng. 4(2), pp. 135-143.
Hao, F., Zhang, X., Cheng, H., Liu, C., & Yang, Z., 2003. Runoff and
Sediment Yield Simulation in a Large Basin using GIS and a
Distributed Hydrological Model. GIS and Remote Sensing in
Hydrology, Water Resources and Environment, China, pp. 157-166.
Hudson, N., 1995. Soil Conservation. BT Batsford Limited, London.
IPCC. 2007. Climate Change 2007: Synthesis Report. Cambridge
University Press, New York.
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Climate Change Impacts and the Philippines. Greenpeace Southeast
Asia, Quezon City, PHL.
Martinuzzi, S., Gould, W. A., González, R., & M., O., 2006. Creating
cloud-free Landsat ETM+ data sets in tropical landscapes: cloud and
cloud-shadow removal. USDA, FS, IITF.
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Harmel, R. D., & Veith, T. L., 2007. Model Evaluation Guidelines for
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and Water Assessment Tool Theoretical Documentation Version 2005.
Agricultural Research Service and Texas Agricultural Experiment
Station, Temple, Texas.
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River Basin”. http://www.weather.gov.ph (May 2010)
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Information for Effective Development Planning. MDG Achievement
Fund, Quezon City.
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and Programs of River Basin Control Office Relative to Water
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db.net/pdf/07 1Ophilippines/8 RBCO.pdf (14 May 2010)
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John Wiley & Sons, Chichester.
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Climate Change and Natural Disasters. In: International Conference on
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Handbook”. USDA, Soil Conservation Service, Washington, DC, USA.
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ACKNOWLEDGEMENTS
The author would wish to thank the helpful comments of Dr.
Ariel Blanco for significant improvement of the study and to
the Philippine Department of Science and Technology (DOST)
through the PCASTRD/PCIEERD for funding this research.
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