Tides are superimposed on nontidal rising and falling water levels，caused by ______．A.freshetsB.floodsC.river flowsD.seismic events
Tides are superimposed on nontidal rising and falling water levels，caused by ______．
A.freshets
B.floods
C.river flows
D.seismic events
相关考题：
Above-normal tides near the center of a hurricane maybe caused by the ______.A.high barometric pressureB.jet streamC.storm surgeD.torrential rains
The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the ______.A.air gapB.freeboardC.penetrationD.water depth
The meaning of ebb tide is that ______.A.tide is falling from high water to low waterB.tide is rising from low water to high waterC.tide is reaching to a highest levelD.tide is reaching to a lowest level
The world's oceans have warmed 50 percent faster over the last 40 years than previously thought due to climate change,Australian and US climate researchers reported Wednesday．Higher ocean temperatures expand the volume of water,contributing to a rise in sea levels that is covering small island nations and threatening to destroy the low-lying,densely-populated low regions around the globe.The study,published in the British journal Nature,adds to a growing scientific chorus of warnings about the pace and consequences rising oceans．It also serves as a corrective to a massive report issued last year by the Nobel-winning UN Intergovernmental Panel on Climate Change(IPCC),according to the authors.Rising sea levels are driven by two things:the thermal expansion of sea water,and additional water from melting sources of ice．Both processes are caused by global warming．The ice sheet that sits atop Greenland,for example,contains enough water to raise world ocean levels by seven meters,which would bury sea-level cities from Dhaka to Shanghai.Trying to figure out how much each of these factors contributes to rising sea levels is critically important to understanding climate change,and forecasting future temperature rises,scientists say．But up to now,there has been a puzzling gap between the projections of computer-based climate models,and the observations of scientists gathering data from the oceans.The new study,led by Catia Domingues of the Centre for Australian Weather and Climate Research,is the first to reunite the models with observed data．Using new techniques to assess ocean temperatures to a depth of 700 meters from 1961 to 2003,it shows that thermal warming contributed to a 0.53 millimeter-per-year rise in sea levels rather than the 0.32 mm rise reported by the IPCC.What was the main finding of the study?A.The warming of the world's oceans is not a threaB.That not enough is being done about global warminC.There is a puzzling gap between the model and observationD.Ocean waters have warmed faster than scientists had previously though
The world's oceans have warmed 50 percent faster over the last 40 years than previously thought due to climate change,Australian and US climate researchers reported Wednesday．Higher ocean temperatures expand the volume of water,contributing to a rise in sea levels that is covering small island nations and threatening to destroy the low-lying,densely-populated low regions around the globe.The study,published in the British journal Nature,adds to a growing scientific chorus of warnings about the pace and consequences rising oceans．It also serves as a corrective to a massive report issued last year by the Nobel-winning UN Intergovernmental Panel on Climate Change(IPCC),according to the authors.Rising sea levels are driven by two things:the thermal expansion of sea water,and additional water from melting sources of ice．Both processes are caused by global warming．The ice sheet that sits atop Greenland,for example,contains enough water to raise world ocean levels by seven meters,which would bury sea-level cities from Dhaka to Shanghai.Trying to figure out how much each of these factors contributes to rising sea levels is critically important to understanding climate change,and forecasting future temperature rises,scientists say．But up to now,there has been a puzzling gap between the projections of computer-based climate models,and the observations of scientists gathering data from the oceans.The new study,led by Catia Domingues of the Centre for Australian Weather and Climate Research,is the first to reunite the models with observed data．Using new techniques to assess ocean temperatures to a depth of 700 meters from 1961 to 2003,it shows that thermal warming contributed to a 0.53 millimeter-per-year rise in sea levels rather than the 0.32 mm rise reported by the IPCC.Ultimately,the new study should help scientists to__.A.lower water levelsB.change their opinionsC.better predict climate changeD.bury sea-level cities like Dhaka and Shanghai
The world's oceans have warmed 50 percent faster over the last 40 years than previously thought due to climate change,Australian and US climate researchers reported Wednesday．Higher ocean temperatures expand the volume of water,contributing to a rise in sea levels that is covering small island nations and threatening to destroy the low-lying,densely-populated low regions around the globe.The study,published in the British journal Nature,adds to a growing scientific chorus of warnings about the pace and consequences rising oceans．It also serves as a corrective to a massive report issued last year by the Nobel-winning UN Intergovernmental Panel on Climate Change(IPCC),according to the authors.Rising sea levels are driven by two things:the thermal expansion of sea water,and additional water from melting sources of ice．Both processes are caused by global warming．The ice sheet that sits atop Greenland,for example,contains enough water to raise world ocean levels by seven meters,which would bury sea-level cities from Dhaka to Shanghai.Trying to figure out how much each of these factors contributes to rising sea levels is critically important to understanding climate change,and forecasting future temperature rises,scientists say．But up to now,there has been a puzzling gap between the projections of computer-based climate models,and the observations of scientists gathering data from the oceans.The new study,led by Catia Domingues of the Centre for Australian Weather and Climate Research,is the first to reunite the models with observed data．Using new techniques to assess ocean temperatures to a depth of 700 meters from 1961 to 2003,it shows that thermal warming contributed to a 0.53 millimeter-per-year rise in sea levels rather than the 0.32 mm rise reported by the IPCC.What happens when the ocean's temperature rises?A.It causes sea levels to risB.It causes sea levels to decreasC.It causes sea levels to remain unchangeD.It causes sea flood all over the glob
The world's oceans have warmed 50 percent faster over the last 40 years than previously thought due to climate change,Australian and US climate researchers reported Wednesday．Higher ocean temperatures expand the volume of water,contributing to a rise in sea levels that is covering small island nations and threatening to destroy the low-lying,densely-populated low regions around the globe.The study,published in the British journal Nature,adds to a growing scientific chorus of warnings about the pace and consequences rising oceans．It also serves as a corrective to a massive report issued last year by the Nobel-winning UN Intergovernmental Panel on Climate Change(IPCC),according to the authors.Rising sea levels are driven by two things:the thermal expansion of sea water,and additional water from melting sources of ice．Both processes are caused by global warming．The ice sheet that sits atop Greenland,for example,contains enough water to raise world ocean levels by seven meters,which would bury sea-level cities from Dhaka to Shanghai.Trying to figure out how much each of these factors contributes to rising sea levels is critically important to understanding climate change,and forecasting future temperature rises,scientists say．But up to now,there has been a puzzling gap between the projections of computer-based climate models,and the observations of scientists gathering data from the oceans.The new study,led by Catia Domingues of the Centre for Australian Weather and Climate Research,is the first to reunite the models with observed data．Using new techniques to assess ocean temperatures to a depth of 700 meters from 1961 to 2003,it shows that thermal warming contributed to a 0.53 millimeter-per-year rise in sea levels rather than the 0.32 mm rise reported by the IPCC.The rise in water levels is especially dangerous for small island nations and__.A.low-lying urban areasB.all coastal citiesC.people who live on the beachD.Shanghai
It’s important for duty sailors to pay attention to the （）of the tide and looking around the ship.A、risingB、fallingC、setting inD、rising and falling
单选题Tropic tides are caused by the（）.AMoon being at its maximum declinationBMoon crossing the equatorCSun and Moon both being near 0°declinationDMoon being at perigee
单选题The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the（）.Aair gapBfreeboardCpenetrationDwater depth
单选题Above-normal tides near the center of a hurricane maybe caused by the（）.Ahigh barometric presureBjet streamCstorm surgeDtorrential rains
单选题Rising tides of unemployment claims across the state has led the governor to declare the economy to be in a state of emergency.ARising tidesBBecause the rising tideCThe tide is risingDThe rising tideEThe rising of the tide
多选题The ______ of sediment in the river caused concern among environmentalists and industrialists alike; the water levels in the river were being reduced almost daily.AaccretionBdisposalCdepletionDalienationEethnologyFaccumulation
单选题As it approaches，a typical warm front will bring（）.Arising temperatures and falling barometric pressureBfalling temperature and pressureCfalling temperatures and rising pressureDrising barometric pressure and temperatures
单选题A frontal thunderstorm is caused by（）.Apronounced local heatingBwind being pushed up a mountainCa warm air mass rising over a cold air massDan increased lapse rate caused by advection of warm surface air
单选题Fighting a rig fire in the ballast pumproom with hoses would adversely affect the stability of the rig most by（）.Aincreasing the permeability of the pumproomBreduction of drill water from the storage tanksCa list caused by water filling the compartmentDa reduced KG caused by water filling the compartment
单选题What has happened to housing prices recently?AThey have been rising quickly.BThey have been falling quickly.CThey have stopped rising quickly.DThey have stopped falling quickly.
单选题Mean low water is the average height of（）.Athe surface of the seaBhigh waters and low watersCall low watersDthe lower of the two daily low tides
单选题Current changing in direction and rising and falling in value is （）.AACBDCCgeneratorDfresh water generator
单选题The tide（）.It’s 2 hours before low water，and（）your present position you will be aground at low water.Afalls／inBhas been falling／onChas fallen／atDis falling／in
单选题The meaning of ebb tide is that （）.Atide is falling from high water to low waterBtide is rising from low water to high waterCtide is reaching to a highest levelDtide is reaching to a lowest level
单选题Tides are superimposed on nontidal rising and falling water levels，caused by（）．AfreshetsBfloodsCriver flowsDseismic events