Abschlußbericht Des Vorhabens 03G0190A Und B „SINDBAD I & II“
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Ocean Trench
R E S O U R C E L I B R A R Y E N C Y C L O P E D I C E N T RY Ocean trench Ocean trenches are long, narrow depressions on the seafloor. These chasms are the deepest parts of the ocean—and some of the deepest natural spots on Earth. G R A D E S 5 - 12+ S U B J E C T S Earth Science, Geology, Geography, Physical Geography C O N T E N T S 11 Images, 1 Video, 2 Links For the complete encyclopedic entry with media resources, visit: http://www.nationalgeographic.org/encyclopedia/ocean-trench/ Ocean trenches are long, narrow depressions on the seafloor. These chasms are the deepest parts of the ocean—and some of the deepest natural spots on Earth. Ocean trenches are found in every ocean basin on the planet, although the deepest ocean trenches ring the Pacific as part of the so-called “Ring of Fire” that also includes active volcanoes and earthquake zones. Ocean trenches are a result of tectonic activity, which describes the movement of the Earth’s lithosphere. In particular, ocean trenches are a feature of convergent plate boundaries, where two or more tectonic plates meet. At many convergent plate boundaries, dense lithosphere melts or slides beneath less-dense lithosphere in a process called subduction, creating a trench. Ocean trenches occupy the deepest layer of the ocean, the hadalpelagic zone. The intense pressure, lack of sunlight, and frigid temperatures of the hadalpelagic zone make ocean trenches some of the most unique habitats on Earth. -
Coastal and Marine Ecological Classification Standard (2012)
FGDC-STD-018-2012 Coastal and Marine Ecological Classification Standard Marine and Coastal Spatial Data Subcommittee Federal Geographic Data Committee June, 2012 Federal Geographic Data Committee FGDC-STD-018-2012 Coastal and Marine Ecological Classification Standard, June 2012 ______________________________________________________________________________________ CONTENTS PAGE 1. Introduction ..................................................................................................................... 1 1.1 Objectives ................................................................................................................ 1 1.2 Need ......................................................................................................................... 2 1.3 Scope ........................................................................................................................ 2 1.4 Application ............................................................................................................... 3 1.5 Relationship to Previous FGDC Standards .............................................................. 4 1.6 Development Procedures ......................................................................................... 5 1.7 Guiding Principles ................................................................................................... 7 1.7.1 Build a Scientifically Sound Ecological Classification .................................... 7 1.7.2 Meet the Needs of a Wide Range of Users ...................................................... -
Appendix 8: Damages Caused by Natural Disasters
Building Disaster and Climate Resilient Cities in ASEAN Draft Finnal Report APPENDIX 8: DAMAGES CAUSED BY NATURAL DISASTERS A8.1 Flood & Typhoon Table A8.1.1 Record of Flood & Typhoon (Cambodia) Place Date Damage Cambodia Flood Aug 1999 The flash floods, triggered by torrential rains during the first week of August, caused significant damage in the provinces of Sihanoukville, Koh Kong and Kam Pot. As of 10 August, four people were killed, some 8,000 people were left homeless, and 200 meters of railroads were washed away. More than 12,000 hectares of rice paddies were flooded in Kam Pot province alone. Floods Nov 1999 Continued torrential rains during October and early November caused flash floods and affected five southern provinces: Takeo, Kandal, Kampong Speu, Phnom Penh Municipality and Pursat. The report indicates that the floods affected 21,334 families and around 9,900 ha of rice field. IFRC's situation report dated 9 November stated that 3,561 houses are damaged/destroyed. So far, there has been no report of casualties. Flood Aug 2000 The second floods has caused serious damages on provinces in the North, the East and the South, especially in Takeo Province. Three provinces along Mekong River (Stung Treng, Kratie and Kompong Cham) and Municipality of Phnom Penh have declared the state of emergency. 121,000 families have been affected, more than 170 people were killed, and some $10 million in rice crops has been destroyed. Immediate needs include food, shelter, and the repair or replacement of homes, household items, and sanitation facilities as water levels in the Delta continue to fall. -
Title Characteristics of Seismicity Distribution Along the Sunda Arc
Characteristics of Seismicity Distribution along the Sunda Arc: Title Some New Observations Author(s) GHOSE, Ranajit; OIKE, Kazuo Bulletin of the Disaster Prevention Research Institute (1988), Citation 38(2): 29-48 Issue Date 1988-06 URL http://hdl.handle.net/2433/124954 Right Type Departmental Bulletin Paper Textversion publisher Kyoto University Bull. Disas. Prey. Res. Inst., Kyoto Univ., Vol. 38, Part 2, No. 332, June, 1988 29 Characteristics of Seismicity Distribution along the Sunda Arc: Some New Observations By Ranajit GHOSEand Kazuo OIKE (Manuscript received March 7, 1988) Abstract Spatio-temporal variations of earthquake activity along the Sunda arc were investigated. We prepared a strain release map for this century. Adjacent to the zones of high strain release, presence of seismically quiet zones was noted. A careful inspection of the depth distribution of the earthquakes revealed that in the eastern Sunda arc, possibly there exists a zone of scarce seismicity at an interme- diate depth. We discussed the probable implications. We also analysed the patterns of temporal distributions of earthquakes at the three different seismotectonic provinces of the Sunda arc—Sumatra, Java, and the Lesser Sunda Islands. We could clearly see that, although the causative geodynamic situations for seismicity vary significantly in space along the length of the arc, the period of increase or decrease in seismicity is largely space invariant. The locally differing levels of seismicity are superposed on the common background of long period seismicity fluctuation. Finally, clustering of seismicity at some patches along the Sunda arc was studied with respect to the altimetric gravity anomaly data. We noted some apparent conformities. -
Landslide Generated Tsunamis : Numerical Modeling
Sektion 2.5: Geodynamische Modellierung, GeoForschungsZentrum Potsdam Landslide generated tsunamis - Numerical modeling and real-time prediction Dissertation zur Erlangung des akademischen Grades Doktor der Naturwissenschaften (Dr. rer. nat.) in der Wissenschaftsdisziplin Geophysik eingereicht an der Mathematisch-Naturwissenschaftlichen Fakultät der Universität Potsdam vorgelegt von Sascha Brune Potsdam, den 29. Januar 2009 This work is licensed under a Creative Commons License: Attribution - Noncommercial - Share Alike 3.0 Germany To view a copy of this license visit http://creativecommons.org/licenses/by-nc-sa/3.0/de/deed.en Published online at the Institutional Repository of the University of Potsdam: URL http://opus.kobv.de/ubp/volltexte/2009/3298/ URN urn:nbn:de:kobv:517-opus-32986 [http://nbn-resolving.org/urn:nbn:de:kobv:517-opus-32986] Abstract Submarine landslides can generate local tsunamis posing a hazard to human lives and coastal facilities. Two major related problems are: (i) quantitative estimation of tsunami hazard and (ii) early detection of the most dangerous landslides. This thesis focuses on both those issues by providing numerical modeling of landslide- induced tsunamis and by suggesting and justifying a new method for fast detection of tsunamigenic landslides by means of tiltmeters. Due to the proximity to the Sunda subduction zone, Indonesian coasts are prone to earthquake, but also landslide tsunamis. The aim of the GITEWS-project (German- Indonesian Tsunami Early Warning System) is to provide fast and reliable tsunami warnings, but also to deepen the knowledge about tsunami hazards. New bathymetric data at the Sunda Arc provide the opportunity to evaluate the hazard potential of landslide tsunamis for the adjacent Indonesian islands. -
The Paleo Dutton Plateau: a Geomorphologic Conundrum
THE PALEO DUTTON PLATEAU: A GEOMORPHOLOGIC CONUNDRUM N. Christian Smoot - Sr. Fellow ([email protected]) Geoplasma Research Institute (GRI) Hoschton, Georgia 30548 USA ABSTRACT Guyots on the Dutton Ridge are used to explain the pre-existence of a plateau in the NW Pacific region. The idea was basically proposed in a 1983 paper but was not proven until the discovery of the basin-wide N-S fracture zone/mega-trends and the orthogonal intersections in the 1990s. The proposal is based on the multibeam sonar-based morphology itself and the intersections of both E-W Mendocino/Surveyor megatrends and N-S Udintsev/Kashima megatrends converging there. Keywords: Multibeam Bathymetry, Fracture Zones, Megatrend Figure 1. First full representation of the Dutton Ridge [7]. Intersections, Guyots The feature was contoured at 200 fm using ship-of-opportunity single-beam data. Most of the features were recognizable in the proper locations. All in all, this was not a bad contouring job 1. INTRODUCTION considering the quality and quantity of the information available at that time. This locator is contoured from that at 500 fm with Fully accurate bathymetric data for eight guyots from the Dutton the 3000 fm isobath on the upper right and at the trenches. Ridge are based on U.S. Naval Oceanographic Office (NAVOCEANO) swath mapping by the SASS multi-beam sonar During the 1970s and 80s NAVOCEANO did a total-coverage, system in the 1970s [1]. The Dutton Ridge is a major east-west swath mapped SASS survey by the USNS DUTTON (T-AGS- 275 nautical mile-long (510 km) trending feature that intersects 22). -
05. Dida Kusnida.Cdr
Geo-Science J.G.S.M. Vol. 17 No. 2 Mei 2016 hal. 99 - 106 Depositional Modification in Seram Trough, Eastern Indonesia Modifikasi Pengendapan di Palung Seram, Indonesia Timur Dida Kusnida, Tommy Naibaho, and Yulinar Firdaus Marine Geological Institute of Indonesia, Jl. Dr. Djundjunan 236, Bandung-40174 [email protected] Naskah diterima : 1 Maret 2016, Revisi terakhir : 3 Mei 2016, Disetujui : 4 Mei 2016 Abstract - Seismic reflection profiles considered to Abstrak - Penampang rekaman seismik yang dianggap represent the morphotectonics of the study area and mewakili morfotektonik daerah studi dan diverifikasi verified by surficial sedimentary data presented in this dengan data sedimen permukaan yang disajikan dalam paper directed to understand the sedimentary depositional tulisan ini diarahkan untuk memahami dinamika dynamics. Seismic data interpretation results show the pengendapan sedimen. Hasil penafsiran data seismik gradation and sediment facies cycles in accordance with menunjukan gradasi dan siklus fasies sedimen sesuai the episode of tectonic activities, which is characterized by dengan episod aktivitas tektonik yang dicirikan oleh the avalanche of the Seram Trough base-of slopes longsoran material lereng Palung Seram. Data seismik materials. Seismic data reveal more than 1250 meters menunjukan lebih dari 1250 meter sedimen secara akustik acoustically chaotic to laminated, indicate fine-grained kaotik hingga berlapis, mencirikan sedimen berbutir sediments between slumps at its base of slope and fine halus antara slam pada lereng bagian bawah dan sedimen marine sediments at the trough floor. Thus, it suggests that marin halus pada lantai palung. Dengan demikian, diduga the Seram Trough is in the process of differential vertical bahwa Palung Seram berada dalam proses pergerakan movement causing depositional modification due to the vertikal diferensial yang menyebabkan terjadinya accretionary prism growths. -
Context-Aware Web-Mining Engine
Context Aware Web-mining Engine Christopher Goh Zhen Fung Koay Tze Min River Valley High School Raffles Institution Singapore Singapore [email protected] [email protected] Abstract—The context of a user’s query is often lost when using extracted to download more layers of web documents. These search engines such as Google, as they limit the number of search documents are ranked according to their similarity to the query, terms that can be input. Therefore, they may not return the most using natural language processing with machine learning relevant or desired results often. This project developed a context- techniques, to return search results of higher relevancy. aware web mining engine (CAWE), which allows the user to use the entire content of multiple documents as the query, to search and rank We compared the performance of CAWE with Google, the web documents by their similarity to it. CAWE combines the search most widely used search engine in the world, holding 70.69% results from Google, Yahoo and Bing search engines, and further of the search engine market share as of November 2015 [1]. crawls the links found in the downloaded web documents. The web Most popular search engines (Bing, DuckDuckGo, Baidu, documents are then ranked according to their content’s relevance to Yahoo, etc.) make use of similar PageRank techniques like the query documents. This ability for document matching is enabled Google, with variants of semantic matching [2]. by natural language processing techniques. Experiments showed that CAWE performed better than Google in finding more relevant web B. Drawbacks of Current Popular Search Engines documents. -
T Delft Hydraulic and Offshore Engineering Division Delft University of Technology Ctwa43oo Coastal Engineering Volume I
CTwa4300 Coastal Engineering Volume Faculty of Civil Engineering and Geosciences Subfaculty of Civil Engineering T Delft Hydraulic and Offshore Engineering Division Delft University of Technology cTwa43oo Coastal Engineering Volume I Prof.ir. K. d'Angremond Ir. C.M.G. Somers 310222 cTwa43oo Coastal Engineering Volume I Prof.ir. K. d'Angremond Ir. C.M.G. Somers 310222 Contents List of Figxires List of Tables List of Symbols Preface 2 1 Introduction 3 1.1 The coast 3 1.2 Coastal engineering 4 1.3 Structure of these lecture notes 5 2 The natural subsystem 6 2.1 Introduction 6 2.1.1 Dynamics of a coast 6 2.1.2 Genesis of the universe, earth, ocean, and atmosphere 7 2.1.3 Sea level change 12 2.2 Geology 13 2.2.1 Geologic time and definitions 13 2.2.2 Plate tectonics: the changing map of the earth 14 2.2.3 Tectonic classification of coasts 18 2.3 Climatology 23 2.3.1 Introduction 23 2.3.2 Meteorological system 23 2.3.3 From meteorology to climatology 24 2.3.4 The hydrological cycle 25 2.3.5 Solar radiation and temperature distributions 27 2.3.6 Atmospheric circulation and wind 31 2.4 Oceanography 35 2.4.1 Introduction 35 2.4.2 Variable density 36 2.4.3 Geostrophic currents 38 2.4.4 The tide 40 2.4.5 Seiches 46 2.4.6 Short waves 47 2.4.7 Wind wave statistics 56 2.4.8 Storm surges 69 2.4.9 Tsunamis 60 2.5 Morphology 62 2.5.1 Introduction 62 2.5.2 Surf zone processes 63 2.5.3 Sediment transport 64 2.5.4 Coastline changes 68 3 Coastal formations 70 3.1 Introduction 70 3.2 Transgressive coasts 73 3.2.1 Definition 73 3.2.2 Estuaries 73 3.2.3 Tidal -
ISC-GEM Global Instrumental Earthquake Catalogue (1900-2009)
ISC-GEM Global Instrumental Earthquake Catalogue (1900-2009) GEM Technical Report 2012-01 V1.0.0 Storchak D.A., D. Di Giacomo, I. Bondár, J. Harris, E.R. Engdahl, W.H.K. Lee, A. Villaseñor, P. Bormann, and G. Ferrari Geological, earthquake and geophysical data GEM GLOBAL EARTHQUAKE MODEL ISC-GEM Global Instrumental Earthquake Catalogue (1900-2009) GEM Technical Report 2012-01 Version: 1.0.0 Date: July 2012 Authors*: Storchak D.A., D. Di Giacomo, I. Bondár, J. Harris, E.R. Engdahl, W.H.K. Lee, A. Villaseñor, P. Bormann, and G. Ferrari (*) Authors’ affiliations: Dmitry Storchak, International Seismological Centre (ISC), Thatcham, UK Domenico Di Giacomo, International Seismological Centre (ISC), Thatcham, UK István Bondár, International Seismological Centre (ISC), Thatcham, UK James Harris, International Seismological Centre (ISC), Thatcham, UK Bob Engdahl, University of Colorado Boulder, USA Willie Lee, U.S. Geological Survey (USGS), Menlo Park, USA Antonio Villaseñor, Institute of Earth Sciences (IES) Jaume Almera, Barcelona, Spain Peter Bormann, Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences, Germany Graziano Ferrari, Istituto Nazionale di Geofisica e Vulcanologia (INGV), Bologna, Italy Rights and permissions Copyright © 2012 GEM Foundation, International Seismological Centre, Storchak D.A., D. Di Giacomo, I. Bondár, J. Harris, E.R. Engdahl, W.H.K. Lee, A. Villaseñor, P. Bormann, and G. Ferrari Except where otherwise noted, this work is licensed under a Creative Commons Attribution 3.0 Unported License. The views and interpretations in this document are those of the individual author(s) and should not be attributed to the GEM Foundation. With them also lies the responsibility for the scientific and technical data presented. -
Appendix 3 Selection of Candidate Cities for Demonstration Project
Building Disaster and Climate Resilient Cities in ASEAN Final Report APPENDIX 3 SELECTION OF CANDIDATE CITIES FOR DEMONSTRATION PROJECT Table A3-1 Long List Cities (No.1-No.62: “abc” city name order) Source: JICA Project Team NIPPON KOEI CO.,LTD. PAC ET C ORP. EIGHT-JAPAN ENGINEERING CONSULTANTS INC. A3-1 Building Disaster and Climate Resilient Cities in ASEAN Final Report Table A3-2 Long List Cities (No.63-No.124: “abc” city name order) Source: JICA Project Team NIPPON KOEI CO.,LTD. PAC ET C ORP. EIGHT-JAPAN ENGINEERING CONSULTANTS INC. A3-2 Building Disaster and Climate Resilient Cities in ASEAN Final Report Table A3-3 Long List Cities (No.125-No.186: “abc” city name order) Source: JICA Project Team NIPPON KOEI CO.,LTD. PAC ET C ORP. EIGHT-JAPAN ENGINEERING CONSULTANTS INC. A3-3 Building Disaster and Climate Resilient Cities in ASEAN Final Report Table A3-4 Long List Cities (No.187-No.248: “abc” city name order) Source: JICA Project Team NIPPON KOEI CO.,LTD. PAC ET C ORP. EIGHT-JAPAN ENGINEERING CONSULTANTS INC. A3-4 Building Disaster and Climate Resilient Cities in ASEAN Final Report Table A3-5 Long List Cities (No.249-No.310: “abc” city name order) Source: JICA Project Team NIPPON KOEI CO.,LTD. PAC ET C ORP. EIGHT-JAPAN ENGINEERING CONSULTANTS INC. A3-5 Building Disaster and Climate Resilient Cities in ASEAN Final Report Table A3-6 Long List Cities (No.311-No.372: “abc” city name order) Source: JICA Project Team NIPPON KOEI CO.,LTD. PAC ET C ORP. -
Hawaii Volcanoes National Park Geologic Resources
National Park Service U.S. Department of the Interior Natural Resource Program Center Hawai‘i Volcanoes National Park Geologic Resources Inventory Report Natural Resource Report NPS/NRPC/GRD/NRR—2009/163 THIS PAGE: Geologists have long been monitoring the volcanoes of Hawai‘i Volcanoes National Park.k. Here lava cascades during the 1969-1971 Mauna Ulu eruption of Kīlauea Vollcano. Note the Mauna Ullu fountain in tthee background. U.S. Geological Survey Photo by J. B. Judd (12/30/1969). ON THE COVER: Continuously erupting since 1983, Kīllaueaauea Vollcanocano continues to shape Hawai‘i Volcanoes National Park. Photo courtesy Lisa Venture/University of Cincinnati. Hawai‘i Volcanoes National Park Geologic Resources Inventory Report Natural Resource Report NPS/NRPC/GRD/NRR—2009/163 Geologic Resources Division Natural Resource Program Center P.O. Box 25287 Denver, Colorado 80225 December 2009 U.S. Department of the Interior National Park Service Natural Resource Program Center Denver, Colorado The National Park Service, Natural Resource Program Center publishes a range of reports that address natural resource topics of interest and applicability to a broad audience in the National Park Service and others in natural resource management, including scientists, conservation and environmental constituencies, and the public. The Natural Resource Report Series is used to disseminate high-priority, current natural resource management information with managerial application. The series targets a general, diverse audience, and may contain NPS policy considerations or address sensitive issues of management applicability. All manuscripts in the series receive the appropriate level of peer review to ensure that the information is scientifically credible, technically accurate, appropriately written for the intended audience, and designed and published in a professional manner.