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The Role of Upstream Waves and a Downstream Density Pool in the
The Role of Upstream Waves and a Downstream Density Pool in the

... much deeper, reaching 450 m deep in places, and so we can say that the landward sill height is h L . 250 m. The aspect ratio of the seaward side of the sill is A S ø 0.25, while the landward side is less steep with A L ø 0.17 through the deepest path of the channel (thalweg). Tidal currents oscillat ...
East River Esplanade Vision Plan
East River Esplanade Vision Plan

... Risk Information, 2013). Even in a high-end scenario, the surface of the Esplanade will be above water level at normal high tide in 2050. However, during storm surge events, there is a greater chance that the Esplanade and the neighboring community will be flooded. These kinds of storm events are pr ...
Year 10 (Form 4) (Option)
Year 10 (Form 4) (Option)

... List and define the hazard effects of a volcano on people and the environment including volcanic gases, ash cloud, lava flow, pyroclastic flow and lahars. ...
Empirical data support seafloor spreading and catastrophic plate
Empirical data support seafloor spreading and catastrophic plate

... mystery of PT and eventually CPT. Oceanographic data clearly demonstrate a systematic increase in the age of the ocean crust (figure 1) with distance from the ocean ridges that cannot be disregarded merely because it involves absolute dating methods. As creation scientists we must not be found guilt ...
baumgardner`s modeling of rapid plate tectonic motion
baumgardner`s modeling of rapid plate tectonic motion

... cells, each with a variable value for its temperature, pressure, density, velocity, and material properties. These variables change through time in a calculation based on a small set of basic principles. TERRA is one of four models in the world capable of modeling Earth in a global manner. Results f ...
Weather forecasters predict a good season for Uganda
Weather forecasters predict a good season for Uganda

... rainfall season will be a blessing to Uganda with most of the country expected to receive near normal rainfall apart from the Karamoja Region which is expected to receive below normal rainfall. Patrick Luganda, the Coordinator of the Network of Climate Journalists in the Greater Horn of Africa (NECJ ...
BSRG 2008 Abstract
BSRG 2008 Abstract

... winnowing; (iii) the fluvial exploitation of open interdune corridors and the damming of fluvial flood waters by surrounding aeolian dunes; (iv) the flooding of isolated (spatially enclosed) interdune hollows in response to climate- and subsidence-induced changes in water table level; (v) the widesp ...
Lecture 2b: Hot spots
Lecture 2b: Hot spots

... Ocean Islands: Main Shield Stage  A large summit caldera develops when the roof collapses into a shallow (<1 km below summit) magma chamber. Most lavas ascend to this summit magma chamber and degas and differentiate there, even if they erupt down on the…  Rift zones that develop when gravitationa ...
Table of Contents June 2002
Table of Contents June 2002

... Environment - Refers to the conditions in which an organism lives and survives or the conditions in which an object or organism resides. These conditions can be described as aspects of a ‘physical’, ‘social’ or an ‘economic’ environment, depending on the perspective perceived by the observer. The En ...
Nile flood discharge during the Medieval Climate Anomaly
Nile flood discharge during the Medieval Climate Anomaly

... The volume of Nile flood discharge, as well as its seasonality, is primarily governed by the impact of climate on rainfall over the Nile catchment areas in Ethiopia and Equatorial Africa. Throughout Egyptian history, Nile floods influenced food production, which depended on Nile water for irrigation ...
weather - Sikkim Springs
weather - Sikkim Springs

... inches of rainfall over the area. ...
STP 3 &amp; 4
STP 3 & 4

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Contents - Tom Newby School
Contents - Tom Newby School

... possibility of an earthquake. However, the impact can be reduced by putting some safety measures in place. Ways to reduce the impact of earthquakes include: a) Making stronger buildings. Building structures should be designed in such a way that they can withstand tremors from the ground. Buildings i ...
Flood13
Flood13

... successions, with picrites and basalts that are trace element and isotopically enriched near the base of the succession, but with trace element and isotopic enrichment, and Nb and Pb anomalies, decreasing up section to latestage basalts that have MORB-like trace element and isotopic characteristics ...
Catastrophic Events
Catastrophic Events

... – From the starting point, the waves travel outward in all directions – As the waves approach land, the time in between waves ranges from 590 minutes – The first wave is usually not the largest or most destructive – The water pulls back before the waves arrive – The waves come to shore as a rapidly ...
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... 2. Granite Point, along the Snake River, is actually not granite but (1) _________ and contains the minerals (2) ____________. A. (1) basalt; (2) feldspar and pyroxene B. (1) basalt; (2) feldspar and biotite C. (1) gneiss; (2) quartz, feldspar, and olivine D. (1) gneiss; (2) quartz, feldspar, and or ...
The Drainage Basin Concept
The Drainage Basin Concept

... the first order basins are components of these much large drainage basins. ...
Fold Mountains
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... * 80% of buildings collapsed in rural Beichuan which was near the epicentre. * Communications were cut – no land or mobile phones worked in Wenchuan. • Rivers were blocked by landslides and there was fear they may flood. • At least 5 million (some say 11 million) were made homeless ...
170131_PR_KISTERS_HydroMaster_en_final
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... Severe weather events pose a direct threat to life, health, infrastructure, production and assets. Such threats are becoming increasingly severe due to increased urbanisation, population growth and climate change. Extreme and highly localised weather events are appearing more frequently, meaning sta ...
Sensitivities (% K−1) of the 99.9th percentile of
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Natural Disasters - Causes & Effect 2011
Natural Disasters - Causes & Effect 2011

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Natural Disasters
Natural Disasters

floodplaintraining
floodplaintraining

... ingress in soil, surface and ground water; more intense cyclones and stronger surge; coastal erosion = then, what to do for the coastal plain?  Raising polder and embankment heights to prevent sea water from entering inland farms & settlements  Expansion of coastal afforestation and ‘green belt’ a ...
Section 120-030 Definitions Unless specifically defined below
Section 120-030 Definitions Unless specifically defined below

... Area of Special Flood Hazard: The land in the floodplain subject to a one-percent (1%) or greater chance of flooding in any given year. The area is designated as either zone A or AE on the Flood Insurance Rate Map (FIRM). Base Flood: The flood having a one-percent (1%) chance of being equaled or exc ...
Natural Disasters and Climate Change
Natural Disasters and Climate Change

... A natural disaster is the effect of a naturally occurring hazard (such as an earthquake) taking place in a populated area and resulting in severe damage to the environment and often loss of life. These types of events have environmental, social and economic consequences. Hurricanes, earthquakes, tsu ...
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Flood



A flood is an overflow of water that submerges land which is usually dry. The European Union (EU) Floods Directive defines a flood as a covering by water of land not normally covered by water. In the sense of ""flowing water"", the word may also be applied to the inflow of the tide.Flooding may occur as an overflow of water from water bodies, such as a river or lake, in which the water overtops or breaks levees, resulting in some of that water escaping its usual boundaries, or it may occur due to an accumulation of rainwater on saturated ground in an areal flood. While the size of a lake or other body of water will vary with seasonal changes in precipitation and snow melt, these changes in size are unlikely to be considered significant unless they flood property or drown domestic animals.Floods can also occur in rivers when the flow rate exceeds the capacity of the river channel, particularly at bends or meanders in the waterway. Floods often cause damage to homes and businesses if they are in the natural flood plains of rivers. While riverine flood damage can be eliminated by moving away from rivers and other bodies of water, people have traditionally lived and worked by rivers because the land is usually flat and fertile and because rivers provide easy travel and access to commerce and industry.Some floods develop slowly, while others such as flash floods, can develop in just a few minutes and without visible signs of rain. Additionally, floods can be local, impacting a neighborhood or community, or very large, affecting entire river basins.
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