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Topic: Orographic sequence


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  EZGeography - Orography
When a river's tributaries or settlements by the river are listed in orographic sequence, they are in order from the highest (nearest the source of the river) to the lowest (nearest the mouth).
Orographic precipitation, also known as relief precipitation, is precipitation generated by a forced upward movement of air upon encountering a physiographic upland (see anabatic wind).
Orographic precipitation is well known on oceanic islands, such as the Hawaiian Islands, where much of the rainfall received on an island is on the windward side, and the leeward side tends to be quite dry, almost desert-like, by comparison.
www.ezgeography.com /encyclopedia/Orography   (325 words)

  
 [No title]
The immediate scientific objective of LIMEX was to map the spatial and temporal sequence of processes leading to the creation and breakdown of the capping lid, and to test its hypothesized role in the pre-storm environment.
It is hypothesized that the sequence of events leading to the capping inversion, and subsequently a severe convective storm, are as follows.
These are: (i) synoptic scale ascent (and adiabatic cooling) preceding a short-wave trough, (ii) orographic ascent due to (easterly) upslope flow in the boundary layer, particularly near the foothill mountain ridges such as Limestone, (iii) surface heating, and (iv) enhanced (storm vicinity) ascent and cooling once a convective complex has formed.
datalib.library.ualberta.ca /AHParchive/LIMEX-desc.html   (961 words)

  
 [No title]
Sequences of local aquifers may be grouped together and treated as a single, regionally extensive aquifer.
Likewise, sequences of local confining units can be grouped as a single regional confining unit that impedes the vertical ground-water flow between regional aquifers.
The Mississippian limestone sequence and the Pennsylvanian sandstone that caps it were both fractured by the folding.
capp.water.usgs.gov /gwa/pub/ch_g/G-text.ascii   (22750 words)

  
 LARAMIDE UPLIFT, OROGRAPHIC PRECIPITATION, AND BASIN-MARGIN RAINFORESTS: AN EARLY PALEOCENE TEST CASE FROM THE COLORADO ...
The lower package, the D1 sequence, is composed of rocks previously mapped as the Arapahoe Conglomerate, the Denver Formation, and the Dawson Arkose (part).
Clast composition from the base of the D1 sequence documents the unroofing of the Laramide Front Range and magnetostratigraphy and palynostratigraphy of two cored wells constrain its age to ~68 Ma.
The upper portion of the D1 sequence is dated by these methods and by a number of sanidine-bearing tuffs at ~64 Ma.
gsa.confex.com /gsa/2004AM/finalprogram/abstract_75785.htm   (531 words)

  
 Abstracts of Theses - 1991   (Site not responding. Last check: 2007-10-14)
Lower Cretaceous pelagic cyclic sequences from the Atlantic Ocean, Vocontian Basin (Southeast France) and an Upper Cretaceous pelagic cyclic sequence from the Indian Ocean (Exmouth Plateau) were quantitatively studied to test the theory that orbital periodicity has induced cyclic sedimentation.
Examination of the Walsh power spectra, using both wavelength ratios of the important frequency peaks and their duration from estimated average pelagic sedimentation rates, reveals that the periodicities in the cyclic sequences are correlative to the periodicities of orbital elements (eccentricity, obliquity and precession).
This stratigraphic sequence can be explained by a change in tectonic subsidence rate alone, with a lacustrine interval reflecting a phase of rapid subsidence and underfilling of the basin.
meguma.earthsciences.dal.ca /abstract/ab_th_91.htm   (5024 words)

  
 23
For the most part, precipitation is the outcome of air cooling as it rises through the atmosphere.
Although the mechanism for electrification is poorly understood, the sequence of events leading to lightning discharge is known.
The development of large cumulonimbus clouds leads to a separation of electrical charges - positively charged droplets and ice crystals reside at the top of the cloud while negatively charged particles concentrate at the bottom.
io.uwinnipeg.ca /~wbuhay/lecture8.htm   (864 words)

  
 Wet MAP Operations Plan
According to the MAP U.S. Overview Document, the purpose of Wet MAP is to investigate the mechanism of orographically generated heavy precipitation events with special emphasis on their dynamics, microphysics, and hydrological consequences (especially flooding).
Distinguish the different effects of the barrier scale in presenting an obstacle to the flow, broad indentations in the barrier in focusing the convergence and lifting on the windward slope of the barrier, and individual river valleys in concentrating the flow and runoff to produce floods.
Sequences D, E, and F will be preferred to G, H, and I. For sequences A-I, there will be 20 elevations at: 0.62, 1.23, 1.85, 2.46, 3.08, 3.69, 4.31, 4.92, 5.54, 6.15, 6.77, 7.38, 8.35, 9.67, 11.43, 13.89, 17.75, 24.35, 37.71 and 69.43 degrees from horizontal.
www.atmos.washington.edu /gcg/MG/MAP/map.opsplan.html   (7954 words)

  
 The CAACI and Celtic Trophies - 2004
From early afternoon the latter had been holed-up at the far sou'west environs of the airport in the fire drill area, amidst ghostly bashed aeroplanes, cars and - we discovered as we left - a fully dressed dummy (at least it seemed to be a dummy...) face down in the dirt.
On Sunday morning the few remaining Advanced sequences were briskly despatched, and a second Unknown sequence drummed-up to tax the assembled brains.
This time the box was spun 90° to be over the south-east quadrant and thereby keep the morning sun out of the judiciary's collective gaze, the hefty on-judge wind still being at 45° to the axes but now however on the other tack.
www.aerobatics.org.uk /results/2004/caaci_and_celtic_trophies.htm   (361 words)

  
 blasvis - graphics for orographic models   (Site not responding. Last check: 2007-10-14)
Blasvis escape sequences allow information about the current simulation to be embedded in the text.
These escape sequences are evaluated when the string is actually plotted.
Additionally the escape sequence %[0-9] can be used to represent variables 0 to 9 wherever blasvis requests a number to be input.
www.lec.leeds.ac.uk /~aross/blasvis/Control-characters.html   (169 words)

  
 Research : Institute of Geological and Nuclear Sciences Limited
Flooding in the large braided rivers of mid-Canterbury is related to heavy orographic rainfall in the west, in alpine catchments of the Southern Alps.
These sequences are inferred to correlate with successive 100-kyr, sea-level cycles spanning Oxygen Isotope Stages 16 to 1 (last c.
Basinward thickening units (up to 40 m thick), containing a strongly progradational series of offlapping, inclined (0.5-1.0), high-amplitude reflectors, that down step towards the basin are interpreted as coarse-grained, fluvio-deltaic sediments, similar to the last-glacial Burnham Formation, deposited during glacio-eustatic sea-level fall, or forced regression.
www.gns.cri.nz /research/depositionalarchitecture/abstract2.html   (902 words)

  
 6.3 DOWs   (Site not responding. Last check: 2007-10-14)
An example of a radar-scan tilt sequence, suitable for the study of orographic precipitation (and complementing the along-barrier racetrack strategy; see below) is as follows:
The lake-effect scanning sequences also will require 360° scans, since coverage in both dual-Doppler lobes likely will be necessary.
These and the orographic volume-scan sequences can be adapted, as needed, from the example sequence above.
www.nssl.noaa.gov /teams/ipex/Ops-DOW-usage.html   (678 words)

  
 usw Glossary M-R   (Site not responding. Last check: 2007-10-14)
In broad terms, warm Tropical Maritime airmasses with a high but cold tropopause will result in a good deal of trailing, whilst cold, polar air-masses with a low, relatively warm tropopause will seldom give rise to significant aircraft trails.
In orographic precipitation, the forcing agent is provided by large ranges of hills/mountains blocking the flow of humid air in such a way that vertical (upward) currents of air are produced, leading to adiabatic cooling >> condensation >> cloud formation/enhancement >> precipitation element growth.
Orographic forcing OF ITSELF usually only produces small amounts of precipitation, but can be the means of enhancing or triggering other mechanisms (e.g.
homepage.ntlworld.com /booty.weather/FAQ/MR.htm   (3351 words)

  
 pfrog   (Site not responding. Last check: 2007-10-14)
There were a few orographic cumulus clouds hanging around the summit of Mount Pinos as I set up my gear for a few nights of imaging.
By 10:30 I was ready to begin the first exposure sequence.
Three and a half hours of red-filtered exposures would be used for the luminance channel in the final RRGB image.
home.earthlink.net /~gstevens916/pfrog.htm   (693 words)

  
 [No title]
The concavity values of channels suggest that there is a general increase in tectonic uplift downstream within the steep sections north and south of the central low-slope zone.
Since the region has homogeneous lithology and invariant orographic precipitation along the stretch of central low-slope belt, we argue that these patterns of channel response cannot be easily explained by differential erosion and therefore likely reflect tectonic uplift along these physiographic transitions.
These geomorphic observations suggest that physiographic transitions in Bhutan are the surface manifestations of zones of active uplift and imply the existence of active faults.
www.geo.utep.edu /pub/tobgay/Manuscript_new_120605/article.doc   (6288 words)

  
 SINCORÁ RANGE   (Site not responding. Last check: 2007-10-14)
The structure of the range is an anticlinorium whose axis undulate in the vertical plane.
The rocks of the former (siltstones and sandstones) have gentle land forms; the ones of the latter (sandstones and conglomerates) form the escarpment.
The contact between these formations, the former of marine, and the latter of continental environment, is interpreted as a type 1 sequence bounding surface (Pedreira, 1994).
www.unb.br /ig/sigep/sitio085/sitio085english.htm   (2252 words)

  
 Journal of Hydroinformatics (2004) 39-56 S. Naoum and I. K. Tsanis - A multiple linear regression GIS module using ...
A multiple linear regression GIS module using spatial variables to model orographic rainfall
The module is capable of performing a sequence of tasks which will eventually lead to an estimation of mean areal precipitation and the total volume of precipitation.
In addition, it can generate up to nine predictor variables and their parameters, and can estimate areal rainfall for a user-specified three-dimensional extent.
www.iwaponline.com /jh/006/jh0060039.htm   (247 words)

  
 Execution   (Site not responding. Last check: 2007-10-14)
The default is the computation of SST from the analyses (performed later in the initialization sequence).
XZ0D: horizontal definition of the subgrid squares to compute the directional orographic roughness lengths (real, meters).
XSSO: horizontal definition of the subgrid squares to compute the directional orographic roughness lengths (real, meters).
www.aero.obs-mip.fr /mesonh/dir_doc/book3_m32_22juin1998/node113.html   (851 words)

  
 NON-OROGRAPHIC CONVERGENCE LINES - Meteorological Physical Background
Likewise, for the orographically driven convective Convergence Lines (see Orographically Induced Convergence Lines) cloudiness is produced by upward motion due to low level convergence which is the result of different processes described below.
The sequence from 06 to 16 UTC clearly shows the convective developments along the Convergence Line.
According to literature, convergence bands in the cold air are caused by instability and solar radiation and there is a life cycle during the day.
www.zamg.ac.at /docu/Manual/SatManu/CMs/ConvNOr/backgr.htm   (738 words)

  
 1997 Flood archive
Dartmouth catalog numbers correspond to approximate chronological sequence but are never changed.
You can import these data as comma-delimited text into most spreadsheets directly from this html document saved as text; "nd" used as "no data" place holder.
Tpu,Drylands orographic rain or snow and rare ITCZ incursions (North Africa)
www.dartmouth.edu /~floods/97sum.html   (918 words)

  
 Precipitation Study Guide: GEOG 101   (Site not responding. Last check: 2007-10-14)
Describe the sequence of steps that lead to the formation of orographic precipitation.
Describe the sequence of steps that lead to the formation of convectional precipitation.
In both cases, what condition must be met in order for precipitation to occur?
facweb.bhc.edu /academics/science/harwoodr/Geog101/study/StudyGuide/PrecipStudyGuide.htm   (182 words)

  
 Networking and Network Security   (Site not responding. Last check: 2007-10-14)
You have to agree, this is a very natural question: which side the tributary is. Usually tributaries are listed in the "
orographic sequence" with the indication L/R whatever it can mean; I have no idea.
You are puzzled, and that's what I am saying as well.
www.subnetworking.com /wiki/User_talk:Rmhermen   (11070 words)

  
 Hot Sites, enlaces inclasificables
A map shows the camera's direction of view.
Due to the mountains' location orographic clouds form above them.
A spectacular sequence of orographic clouds observed on 6 September 1995 in the morning is available as a movie.
www.anarkasis.com /directorio/internet_informatica/internet_03.htm   (6227 words)

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