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Climate Disasters in the Philippines: a Case Study of the Immediate Causes and Root Drivers From
Zhzh ENVIRONMENT & NATURAL RESOURCES PROGRAM Climate Disasters in the Philippines: A Case Study of Immediate Causes and Root Drivers from Cagayan de Oro, Mindanao and Tropical Storm Sendong/Washi Benjamin Franta Hilly Ann Roa-Quiaoit Dexter Lo Gemma Narisma REPORT NOVEMBER 2016 Environment & Natural Resources Program Belfer Center for Science and International Affairs Harvard Kennedy School 79 JFK Street Cambridge, MA 02138 www.belfercenter.org/ENRP The authors of this report invites use of this information for educational purposes, requiring only that the reproduced material clearly cite the full source: Franta, Benjamin, et al, “Climate disasters in the Philippines: A case study of immediate causes and root drivers from Cagayan de Oro, Mindanao and Tropical Storm Sendong/Washi.” Belfer Center for Science and International Affairs, Cambridge, Mass: Harvard University, November 2016. Statements and views expressed in this report are solely those of the authors and do not imply endorsement by Harvard University, the Harvard Kennedy School, or the Belfer Center for Science and International Affairs. Design & Layout by Andrew Facini Cover photo: A destroyed church in Samar, Philippines, in the months following Typhoon Yolanda/ Haiyan. (Benjamin Franta) Copyright 2016, President and Fellows of Harvard College Printed in the United States of America ENVIRONMENT & NATURAL RESOURCES PROGRAM Climate Disasters in the Philippines: A Case Study of Immediate Causes and Root Drivers from Cagayan de Oro, Mindanao and Tropical Storm Sendong/Washi Benjamin Franta Hilly Ann Roa-Quiaoit Dexter Lo Gemma Narisma REPORT NOVEMBER 2016 The Environment and Natural Resources Program (ENRP) The Environment and Natural Resources Program at the Belfer Center for Science and International Affairs is at the center of the Harvard Kennedy School’s research and outreach on public policy that affects global environment quality and natural resource management. -
4. the TROPICS—HJ Diamond and CJ Schreck, Eds
4. THE TROPICS—H. J. Diamond and C. J. Schreck, Eds. Pacific, South Indian, and Australian basins were a. Overview—H. J. Diamond and C. J. Schreck all particularly quiet, each having about half their The Tropics in 2017 were dominated by neutral median ACE. El Niño–Southern Oscillation (ENSO) condi- Three tropical cyclones (TCs) reached the Saffir– tions during most of the year, with the onset of Simpson scale category 5 intensity level—two in the La Niña conditions occurring during boreal autumn. North Atlantic and one in the western North Pacific Although the year began ENSO-neutral, it initially basins. This number was less than half of the eight featured cooler-than-average sea surface tempera- category 5 storms recorded in 2015 (Diamond and tures (SSTs) in the central and east-central equatorial Schreck 2016), and was one fewer than the four re- Pacific, along with lingering La Niña impacts in the corded in 2016 (Diamond and Schreck 2017). atmospheric circulation. These conditions followed The editors of this chapter would like to insert two the abrupt end of a weak and short-lived La Niña personal notes recognizing the passing of two giants during 2016, which lasted from the July–September in the field of tropical meteorology. season until late December. Charles J. Neumann passed away on 14 November Equatorial Pacific SST anomalies warmed con- 2017, at the age of 92. Upon graduation from MIT siderably during the first several months of 2017 in 1946, Charlie volunteered as a weather officer in and by late boreal spring and early summer, the the Navy’s first airborne typhoon reconnaissance anomalies were just shy of reaching El Niño thresh- unit in the Pacific. -
Cagayan Riverine Zone Development Framework Plan 2005—2030
Cagayan Riverine Zone Development Framework Plan 2005—2030 Regional Development Council 02 Tuguegarao City Message The adoption of the Cagayan Riverine Zone Development Framework Plan (CRZDFP) 2005-2030, is a step closer to our desire to harmonize and sustainably maximize the multiple uses of the Cagayan River as identified in the Regional Physical Framework Plan (RPFP) 2005-2030. A greater challenge is the implementation of the document which requires a deeper commitment in the preservation of the integrity of our environment while allowing the development of the River and its environs. The formulation of the document involved the wide participation of concerned agencies and with extensive consultation the local government units and the civil society, prior to its adoption and approval by the Regional Development Council. The inputs and proposals from the consultations have enriched this document as our convergence framework for the sustainable development of the Cagayan Riverine Zone. The document will provide the policy framework to synchronize efforts in addressing issues and problems to accelerate the sustainable development in the Riverine Zone and realize its full development potential. The Plan should also provide the overall direction for programs and projects in the Development Plans of the Provinces, Cities and Municipalities in the region. Let us therefore, purposively use this Plan to guide the utilization and management of water and land resources along the Cagayan River. I appreciate the importance of crafting a good plan and give higher degree of credence to ensuring its successful implementation. This is the greatest challenge for the Local Government Units and to other stakeholders of the Cagayan River’s development. -
Flood Hazard Mapping in an Urban Area Using Combined Hydrologic-Hydraulic Models and Geospatial Technologies
Global J. Environ. Sci. Manage. 5(2): 139-154, Spring 2019 Global Journal of Environmental Science and Management (GJESM) Homepage: https://www.gjesm.net/ ORIGINAL RESEARCH PAPER Flood hazard mapping in an urban area using combined hydrologic-hydraulic models and geospatial technologies B.A.M.Talisay*, G.R. Puno, R.A.L. Amper GeoSAFER Northern Mindanao/ Cotabato Project, College of Forestry and Environmental Science, Central Mindanao University, Musuan, Maramag, Bukidnon, Philippines ARTICLE INFO ABSTRACT Flooding is one of the most occurring natural hazards every year risking the lives and Article History: Received 12 August 2018 properties of the affected communities, especially in Philippine context. To visualize Revised 12 November 2018 the extent and mitigate the impacts of flood hazard in Malingon River in Valencia Accepted 30 November 2018 City, Bukidnon, this paper presents the combination of Geographic Information System, high-resolution Digital Elevation Model, land cover, soil, observed hydro-meteorological data; and the combined Hydrologic Engineering Center- Keywords: Hydrologic Modeling System and River Analysis System models. The hydrologic Geographic information system (GIS) model determines the precipitation-runoff relationships of the watershed and the Inundation hydraulic model calculates the flood depth and flow pattern in the floodplain area. Light detection and ranging The overall performance of hydrologic model during calibration was “very good fit” Model calibration based on the criterion of Nash-Sutcliffe Coefficient of Model Efficiency, Percentage Bias and Root Mean Square Error – Observations Standard Deviation Ratio with the values of 0.87, -8.62 and 0.46, respectively. On the other hand, the performance of hydraulic model during error computation was “intermediate fit” using F measure analysis with a value of 0.56, using confusion matrix with 80.5% accuracy and the Root Mean Square Error of 0.47 meters. -
Climate-Responsive Integrated Master Plan for Cagayan River Basin
Climate-Responsive Integrated Master Plan for Cagayan River Basin VOLUME I - EXECUTIVE SUMMARY Submitted by College of Forestry and Natural Resources University of the Philippines Los Baños Funded by River Basin Control Office Department of Environment and Natural Resources CLIMATE-RESPONSIVE INTEGRATED RIVER BASIN MASTER PLAN FOR THE i CAGAYAN RIVER BASIN Table of Contents 1 Rationale .......................................................................................................................................................... 1 2 Objectives of the Study .............................................................................................................................. 1 3 Scope .................................................................................................................................................................. 1 4 Methodology .................................................................................................................................................. 2 5 Assessment Reports ................................................................................................................................... 3 5.1 Geophysical Profile ........................................................................................................................... 3 5.2 Bioecological Profile ......................................................................................................................... 6 5.3 Demographic Characteristics ...................................................................................................... -
(OSCAT) and ASCAT Scatterometers Over Tropical Cyclones Goal of Study
P1.37P197 Comparisons and Evaluations between the Oceansat-2 (OSCAT) and ASCAT Scatterometers over Tropical Cyclones Roger T. Edson, NOAA National Weather Service, Barrigada Guam Coverage and Availability of Scatterometer: OSCAT vs. ASCAT and WindSAT Case Studies of Different Tropical Cyclone Characteristics or OSCAT (~2400L) Goal of Study NOAA/NESDIS –’Manati Site’ KNMI – EUMETSAT site Typhoon Man-Yi (16W) development from a ASCAT depiction of the development and OSCAT View monsoon gyre north or the Marianas -Compare reliability, depiction and BYU Hi-Res OSCAT intensification of Typhoon Mawar (04W) accuracy over tropical cyclones -Find strengths and weaknesses -Assess comparative loss with QuikSCAT -Evaluate NRCS and BYU Hi-Res IR and OSCAT Winds TRMM 85h with OSCAT NRCS OSCAT Development was slow with a large light and variable wind center. At this products to assist analysis time winds were beginning to consolidate about one circulation center as Combine ASCAT A/B with either OSCAT better seen in the OSCAT NRCS and BYU Hi-Res images. or WindSAT to increase coverage -Use of integrated techniques, Sensor Characteristics especially with microwave Sensor/Sat QuikSCAT ASCAT A/B WindSAT OSCAT-2 48hr Structure and intensity between 31 May (25kt) and 2 Jun (70kt) TYPE Active Active Passive Active imagery AGENCY/re-Processed JPL/NESDIS ESA/KNMI US Navy India/KNMI LAUNCH/END 1999/Nov09(end) 2006/12 2003 2009 Typhoon Tembin (15W) approaching Japan SWATH (KM) 1800 2 X 550 ~1100 1836 The intensity of a tropical cyclone that has begun GAP (KM) 0 600 N/A N/A extra-tropical transition is often underestimated RESOLUTION (KM) 25 (12.5) 50 (25) 25 50 (25) Goal of Scatterometer Data for TC Analysis when intensity is solely based on the Dvorak SPEED (KT) 4-80 5-60 10-40 5-60? Technique. -
Flood Risk Assessment of Major River Basins in the Philippines
International Journal of GEOMATE, Dec., 2019 Vol.17, Issue 64, pp. 201- 208 ISSN: 2186-2982 (P), 2186-2990 (O), Japan, DOI: https://doi.org/10.21660/2019.64.17155 Geotechnique, Construction Materials and Environment FLOOD RISK ASSESSMENT OF MAJOR RIVER BASINS IN THE PHILIPPINES Christian Dominick Q. Alfonso1, Marloe B. Sundo*2, Richelle G. Zafra2, Perlie P. Velasco2, Jedidiah Joel C. Aguirre2 and Marish S. Madlangbayan2 1University of the Philippines Los Baños Foundation, Inc., Philippines; 2University of the Philippines Los Baños, Philippines *Corresponding Author, Received: 00 Oct. 2019, Revised: 00 Nov. 2019, Accepted: 00 Dec. 2019 ABSTRACT: Disaster risk management is vital in strengthening the resilience to and reduction of losses brought by natural disasters. In Philippines where typhoons frequently occur, flood risk maps are essential for the protection of communities and ecosystems in watersheds. This study created flood inundation maps with climate change considerations under 2020 A1B1 and 2050 A1B1 scenarios for four major river basins in the Philippines: the Agno, Cagayan, Mindanao, and Buayan-Malungon River Basins. From these maps, the most vulnerable areas for each basin are identified using GIS mapping software. Sixteen inundation risk maps were generated, four for each river basin, in terms of built-up areas, roads, bridges, and dams. Results showed that the northern part of Cagayan River Basin and the central parts of the Agno and Mindanao River Basins are the most flood-prone areas, while the Buayan-Malungon River Basin will have no significant inundation problems. Suitable adaptation and mitigation options were provided for each river basin. Keywords: Disaster risk reduction, Climate change adaption, Inundation, Risk Mapping 1. -
Integrated Natural Resources and Environmental Management Project Rehabilitation and Improvement of Liguron Access Road in Talakag, Bukidnon
Initial Environmental Examination January 2018 PHI: Integrated Natural Resources and Environmental Management Project Rehabilitation and Improvement of Liguron Access Road in Talakag, Bukidnon Prepared by Municipality of Talakag, Province of Bukidnon for the Asian Development Bank. i CURRENCY EQUIVALENTS (as of 30 November 2017 Year) The date of the currency equivalents must be within 2 months from the date on the cover. Currency unit – peso (PhP) PhP 1.00 = $ 0.01986 $1.00 = PhP 50.34 ABBREVIATIONS ADB Asian Development Bank BDC Barangay Development Council BUB Bottom-Up Budgeting CDORB Cagayan De Oro River Basin CNC Certificate of Non-Coverage CSC Construction Supervision Consultant CSO Civil Society Organization DED Detail Engineering Design DENR Department of Environment And Natural Resources DILG Department of Interior and Local Government DSWD Department of Social Welfare and Development ECA Environmentally Critical Area ECC Environmental Compliance Certificate ECP Environmentally Critical Project EHSM Environmental Health and Safety Manager EIA Environmental Impact Assessment EIS Environmental Impact Statement EMB Environmental Management Bureau ESS Environmental Safeguards Specialist GAD Gender and Development IEE Initial Environmental Examination INREMP Integrated Natural Resources and Environment Management Project IP Indigenous People IROW Infrastructure Right of Way LIDASAFA Liguron-Dagundalahon-Sagaran Farmers Association LGU Local Government Unit LPRAT Local Poverty Reduction Action Team MKaRNP Mt. Kalatungan Range Natural -
二零一七熱帶氣旋tropical Cyclones in 2017
176 第四節 熱帶氣旋統計表 表4.1是二零一七年在北太平洋西部及南海區域(即由赤道至北緯45度、東 經 100度至180 度所包括的範圍)的熱帶氣旋一覽。表內所列出的日期只說明某熱帶氣旋在上述範圍內 出現的時間,因而不一定包括整個風暴過程。這個限制對表內其他元素亦同樣適用。 表4.2是天文台在二零一七年為船舶發出的熱帶氣旋警告的次數、時段、首個及末個警告 發出的時間。當有熱帶氣旋位於香港責任範圍內時(即由北緯10至30度、東經105至125 度所包括的範圍),天文台會發出這些警告。表內使用的時間為協調世界時。 表4.3是二零一七年熱帶氣旋警告信號發出的次數及其時段的摘要。表內亦提供每次熱帶 氣旋警告信號生效的時間和發出警報的次數。表內使用的時間為香港時間。 表4.4是一九五六至二零一七年間熱帶氣旋警告信號發出的次數及其時段的摘要。 表4.5是一九五六至二零一七年間每年位於香港責任範圍內以及每年引致天文台需要發 出熱帶氣旋警告信號的熱帶氣旋總數。 表4.6是一九五六至二零一七年間天文台發出各種熱帶氣旋警告信號的最長、最短及平均 時段。 表4.7是二零一七年當熱帶氣旋影響香港時本港的氣象觀測摘要。資料包括熱帶氣旋最接 近香港時的位置及時間和當時估計熱帶氣旋中心附近的最低氣壓、京士柏、香港國際機 場及橫瀾島錄得的最高風速、香港天文台錄得的最低平均海平面氣壓以及香港各潮汐測 量站錄得的最大風暴潮(即實際水位高出潮汐表中預計的部分,單位為米)。 表4.8.1是二零一七年位於香港600公里範圍內的熱帶氣旋及其為香港所帶來的雨量。 表4.8.2是一八八四至一九三九年以及一九四七至二零一七年十個為香港帶來最多雨量 的熱帶氣旋和有關的雨量資料。 表4.9是自一九四六年至二零一七年間,天文台發出十號颶風信號時所錄得的氣象資料, 包括熱帶氣旋吹襲香港時的最近距離及方位、天文台錄得的最低平均海平面氣壓、香港 各站錄得的最高60分鐘平均風速和最高陣風。 表4.10是二零一七年熱帶氣旋在香港所造成的損失。資料參考了各政府部門和公共事業 機構所提供的報告及本地報章的報導。 表4.11是一九六零至二零一七年間熱帶氣旋在香港所造成的人命傷亡及破壞。資料參考 了各政府部門和公共事業機構所提供的報告及本地報章的報導。 表4.12是二零一七年天文台發出的熱帶氣旋路徑預測驗証。 177 Section 4 TROPICAL CYCLONE STATISTICS AND TABLES TABLE 4.1 is a list of tropical cyclones in 2017 in the western North Pacific and the South China Sea (i.e. the area bounded by the Equator, 45°N, 100°E and 180°). The dates cited are the residence times of each tropical cyclone within the above‐mentioned region and as such might not cover the full life‐ span. This limitation applies to all other elements in the table. TABLE 4.2 gives the number of tropical cyclone warnings for shipping issued by the Hong Kong Observatory in 2017, the durations of these warnings and the times of issue of the first and last warnings for all tropical cyclones in Hong Kong's area of responsibility (i.e. the area bounded by 10°N, 30°N, 105°E and 125°E). Times are given in hours and minutes in UTC. TABLE 4.3 presents a summary of the occasions/durations of the issuing of tropical cyclone warning signals in 2017. The sequence of the signals displayed and the number of tropical cyclone warning bulletins issued for each tropical cyclone are also given. -
Abstract Proceeding
1 The Proceedings for The 6th International Conference on Atmosphere, Ocean, and Climate Change August 19 - 21, 2013, Hong Kong Editors: Dr. Banghua Yan Dr. Xiaozhen Xiong Prof. Zhanqing Li Dr. Jingfeng Huang 2 EFFECTS OF AIR-SEA COUPLING ON THE BOREAL SUMMER INTRASEASONAL OSCILLATIONS OVER THE TROPICAL INDIAN OCEAN Ailan Lin1,2, Tim Li, Xiouhua Fu2, Jing-Jia Luo3, Yukio Masumoto3 1 Institute of Tropical and Marine Meteorology, China Meteorological Administration, Guangzhou, China 2. IPRC and Department of Meteorology, University of Hawaii, Honolulu, Hawaii 3. Research Institute for Global Change, JAMSTEC, Yokohama, Japan Abstract The effects of air-sea coupling over the tropical Indian Ocean (TIO) on the eastward- and northward-propagating boreal summer intraseasonal oscillation (BSISO) are investigated by comparing a fully coupled (CTL) and a partially decoupled Indian Ocean (pdIO) experiment using SINTEX-F coupled GCM. Air-sea coupling over the TIO significantly enhances the intensity of both the eastward and northward propagations of the BSISO. The maximum spectrum differences of the northward- (eastward-) propagating BSISO between the CTL and pdIO reach 30% (25%) of their respective climatological values. The enhanced eastward (northward) propagation is related to the zonal (meridional) asymmetry of sea surface temperature anomaly (SSTA). A positive SSTA appears to the east (north) of the BSISO convection, which may positively feed back to the BSISO convection. In addition, air-sea coupling may enhance the northward propagation through the changes of the mean vertical wind shear and low-level specific humidity. The interannual variations of the TIO regulate the air-sea interaction effect. Air-sea coupling enhances (reduces) the eastward-propagating spectrum during the negative Indian Ocean dipole (IOD) mode, positive Indian Ocean basin (IOB) mode and normal years (during positive IOD and negative IOB years). -
The Feasibility Study of the Flood Control Project for the Lower Cagayan River in the Republic of the Philippines
JAPAN INTERNATIONAL COOPERATION AGENCY DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS THE REPUBLIC OF THE PHILIPPINES THE FEASIBILITY STUDY OF THE FLOOD CONTROL PROJECT FOR THE LOWER CAGAYAN RIVER IN THE REPUBLIC OF THE PHILIPPINES FINAL REPORT VOLUME I EXECUTIVE SUMMARY FEBRUARY 2002 NIPPON KOEI CO., LTD. NIKKEN Consultants, Inc. SSS JR 02- 07 List of Volumes Volume I : Executive Summary Volume II : Main Report Volume III-1 : Supporting Report Annex I : Socio-economy Annex II : Topography Annex III : Geology Annex IV : Meteo-hydrology Annex V : Environment Annex VI : Flood Control Volume III-2 : Supporting Report Annex VII : Watershed Management Annex VIII : Land Use Annex IX : Cost Estimate Annex X : Project Evaluation Annex XI : Institution Annex XII : Transfer of Technology Volume III-3 : Supporting Report Drawings Volume IV : Data Book The cost estimate is based on the price level and exchange rate of June 2001. The exchange rate is: US$1.00 = PHP50.0 = ¥120.0 PREFACE In response to a request from the Government of the Republic of the Philippines, the Government of Japan decided to conduct the Feasibility Study of the Flood Control Project for the Lower Cagayan River in the Republic of the Philippines and entrusted the study to the Japan International Cooperation Agency (JICA). JICA selected and dispatched a study team headed by Mr. Hideki SATO of NIPPON KOEI Co.,LTD. (consist of NIPPON KOEI Co.,LTD. and NIKKEN Consultants, Inc.) to the Philippines, six times between March 2000 and December 2001. In addition, JICA set up an advisory committee headed by Mr. Hidetomi Oi, Senior Advisor of JICA between March 2000 and February 2002, which examined the study from technical points of view. -
The Feasibility Study of the Flood Control Project for the Lower Cagayan River in the Republic of the Philippines
JAPAN INTERNATIONAL COOPERATION AGENCY DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS THE REPUBLIC OF THE PHILIPPINES THE FEASIBILITY STUDY OF THE FLOOD CONTROL PROJECT FOR THE LOWER CAGAYAN RIVER IN THE REPUBLIC OF THE PHILIPPINES FINAL REPORT VOLUME II MAIN REPORT FEBRUARY 2002 NIPPON KOEI CO., LTD. NIKKEN Consultants, Inc. SSS JR 02-07 List of Volumes Volume I : Executive Summary Volume II : Main Report Volume III-1 : Supporting Report Annex I : Socio-economy Annex II : Topography Annex III : Geology Annex IV : Meteo-hydrology Annex V : Environment Annex VI : Flood Control Volume III-2 : Supporting Report Annex VII : Watershed Management Annex VIII : Land Use Annex IX : Cost Estimate Annex X : Project Evaluation Annex XI : Institution Annex XII : Transfer of Technology Volume III-3 : Supporting Report Drawings Volume IV : Data Book The cost estimate is based on the price level and exchange rate of June 2001. The exchange rate is: US$1.00 = PHP50.0 = ¥120.0 PREFACE In response to a request from the Government of the Republic of the Philippines, the Government of Japan decided to conduct the Feasibility Study of the Flood Control Project for the Lower Cagayan River in the Republic of the Philippines and entrusted the study to the Japan International Cooperation Agency (JICA). JICA selected and dispatched a study team headed by Mr. Hideki SATO of NIPPON KOEI Co.,LTD. (consist of NIPPON KOEI Co.,LTD. and NIKKEN Consultants, Inc.) to the Philippines, six times between March 2000 and December 2001. In addition, JICA set up an advisory committee headed by Mr. Hidetomi Oi, Senior Advisor of JICA between March 2000 and February 2002, which examined the study from technical points of view.