950 resultados para Towing basins.


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Survey map of the Second Welland Canal created by the Welland Canal Company showing the border area of the townships of Crowland and Humberstone, as well as the Village of Junction. Identified structures associated with the Canal include ditches, guard lock, old canal, new towing path, bridge, feeder to Dunnville, covered drain. Surveyor measurements and notes can be seen in red and black ink and pencil. Local area landmarks include James Turf Tavern and possible marshland. Roads parallel to Canal include western Road Allowance, the new towing road, road to Welland and road to Junction. Roads perpendicular to Canal include Road Allowance between the 5th and 6th Concession. Properties and property owners are noted as Thomas. C. Street, James Tuft, and John Hellems. Lots noted are: Lots Number 26, 27, 6th Concession.

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Survey map of the Second Welland Canal created by the Welland Canal Company showing the border area of the townships of Crowland and Humberstone. Identified structures associated with the Canal include back ditches, towing path and spoil banks. Surveyor measurements and notes can be seen in red and black ink and pencil. Local area landmarks include line between the 7th Concession of Crowland and the Gore, Town Line between the Townhips of Crowland and Humberstone and the Highane and Company Store. Roads parallel to Canal include southern Road Allowance and the Road to Port Colborne. Roads perpendicular to Canal include Road Allowance between the 4th and 5th Concession. Properties and property owners are noted as Thomas Merrit, John Betty, John Brown, Charles French, James McCoppen, and S.D. Woodruff. Lots noted are: Lots Number 22, 23, 24, 5th Concession."Humberstone" - Scale: 4 Chs. per Inch "Gore"

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Survey map of the Second Welland Canal created by the Welland Canal Company showing the area through Humberstone. Identified structures associated with the Canal include Spoil Banks, Towing Path, Back Ditches and Culvert. Surveyor measurements and notes can be seen in red and black ink and pencil. Local area landmarks include Lyons Creek and Big Elm Tree. Roads running parallel to Canal include the south Road Allowance and the Road to Port Colborne. Roads running perpendicular to Canal include Road Allowance between the 3rd and 4th Concessions, Road Allowance between the 4th and 5th Concessions. Properties are noted as Lot No. 28, 4th Concession, Lot No. 27, 4th Concession and Lot No. 26, 4th Concession."Humberstone"

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Survey map of the Second Welland Canal created by the Welland Canal Company showing the area through Humberstone Township. Identified structures associated with the Canal are the north and south back ditches, Towing Path and spoil banks. Surveyor measurements and notes can be seen in red and black ink and pencil. Local area landmarks include Tram Way to Peat Beds. Roads running parallel to Canal are the Road to Port Colborn and the northern Road Allowance. Roads running parallel to Canal are Road Allowance between the 2nd and 3rd Concession, Road Allowance between the 3rd and 4th Concession. Properties and property owners are noted as follows: J. Thompson, J. Sullivan, J. Leady, John Neff and Peter Neff. Other properties include: Lot No. 27, 3rd Concession, Lot No. 26, 3rd Concession and Lot No. 25, 3rd Concession."Humberstone" - Scale 4 Chs. per Inch

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Survey map of the Second Welland Canal created by the Welland Canal Company showing the areas in and around Petersburg and Humberstone. Identified structures associated with the Canal include North and South Back Ditches, Bridge Tender's Building, Towing Path, Old Back Ditch, and Covered Drain. Features of the First Welland Canal are noted in red ink. Surveyor measurements and notes can be seen in red and black ink and pencil. Local area landmarks include bridge, barns, ruins of Stone Mill (burnt), Wesbern (Wabern) Hotel and spoil banks. Roads labelled running parallel to Canal is the south Road Allowance. Roads perpendicular to Canal include Road Allowance between 1st and 2nd Concession, Road to Waterloo Ferry, Road Allowance between 2nd and 3rd Concessions. Properties and property owners/renters are identified as follows: A. Augustine, Captain Duffil, O. Farres, I. Schooley, George Augustine, E. Schooley (Schooly), R. and J. Kilmer (Killmer), J. Urich, J. Thompson (Tompson), M. Reeb, G. Wilson, J. Klee, John Steel, E. Augustine, Furry, J. Jackson, Robert House, R. White, J. Crame, D. Saff, J. Kinnard, J. Schooley, Dickson, C. Erhoff, and G. Rother."Village of Petersburgh" - Scale 2 Chs. per Inch "Humberstone" - Scale 4 Chs. per Inch,

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Survey map of the Second Welland Canal created by the Welland Canal Company showing the areas in and around Port Colborne and Grantham Township. Identified structures associated with the Canal include Basin, Guard Lock, Two Lock Tender Houses, Lock House Lot, Collectors Office House, Towing Path, North and South Back Ditches, and land reserved for future improvemnt of basin. Surveyor measurements and notes can be seen in red and black ink as well as pencil. Local area landmarks dentified include Bridge, Rail Road Swing Bridge, Spoil Bank, Water Tank, Frazer Street Railway Station, Buffalo and Lake Huron Rail Road, Welland Rail Road, and land reserved for "Gardens for Lock Tenders". Local businesses identified include A.K Scholfield Store House Lot and Wharf, two stores and a tavern. Roads running parallel to Canal include King St., "present Travel Road", and the Southern Road Allowance. Roads running perpendicular to Canal include Kent St., Charlotte St., Clarence St., Princess St., Elgin St., George St., Frazer St., Alma St., Eastern Road Allowance. Properties and property owners are also identified and include P. White, John Flynn, George McMicking, Charles Carter, William H. Merritt, A.K. Scholfield, F. Gallgher, Ed McCabe, M. Smith, E. Lawder, J. Hanley, J. Harris, P. Gibbons, M. McGoveran, M. Madden, J. Hardison, T. Nihan, D. Gibbons, J. Cross, William Mellanby, Elis Gordon, Jane McCardy, L.G. Carter, T. Greenwood, C. Armstrong, J. McGillivray, T. Schofield, Mrs. Lanue, D. Mc_______, K. Minor, J. Manly and John McRae.

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George Cran was the son of a farmer in the parish of Forgue in Aberdeen Shire, Scotland. He became a member of the church at Huntley, Scotland where his devotion to God inspired him to become a Sunday school teacher. He subsequently became a member of the London Missionary Society. In 1801 he was sent to study at the seminary in Gosport, England where he spent two to three years. His desire was to preach Christ to the “heathens”. Messrs. Ringeltaube, Des Granges and Cran were designated to work in India. No ships for the East India Company would grant passage to missionaries due to the open hostility of the government therefore they set sail from Copenhagen on April 20, 1804 and reached Tranquebar on December 5th, 1805. Cran and Des Granges were designated to supervise the churches in Tinnevelly and they were to begin a mission among the northern Circars. This would have meant that they would have to work in two different places which would have separated them by over 500 miles. The society didn’t seem to be aware of the vast hindrances that the missionaries had to face. Cran and Des Granges decided instead to work in Vizagapatam where they were welcomed by many of the European residents. They conducted English services for which they were paid a monthly salary by the governor. They also conducted services for the natives and opened a school for native children. By November of 1806 a mission house had been built and a “charity” school for Eurasian children was opened. Cran and Des Granges were also diligently studying the native language and they began to translate the Bible into Telugu (spoken by the Hindus who live along the lower basins of the Kistna and Godaveri Rivers). In November of 1808 Cran was almost killed by a fever which left him severely weakened. He was only partially recovered, but accepted an invitation by the general who commanded the local district to accompany him on a journey around the province. The journey proved to be too much for Cran and he died on January 6th, 1809. He is buried at Chicacole, India. He is remembered for his successful work at Vizagapatam and his translation of the Bible. The fact that it was 27 years after the arrival of Cran before a single native was converted attests to the fact that this was a very difficult undertaking. The London Missionary Society was formed in 1795 in England by evangelical Anglicans and nonconformists. It is a non-denominational society and now forms part of the Council for World Mission. with information from The Voice of God to the Churches a Sermon on the Death of George Cran, Augustus Des Granges and Jonathan Brain by David Bogue and The History of the London Missionary Society 1795-1895 by Richard Lovett

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Les champignons endophytes sont des organismes qui vivent à l’intérieur de plantes sans causer de symptômes de maladie apparents. Ils sont trouvés dans virtuellement toutes plante, et la nature des interactions peut aller de mutualiste à pathogène dépendant des conditions. La diversité et la structure des communautés des champignons endophytes dans les plantes poussant en milieu extrêmement pollué, ainsi que leur rôle potentiel pour améliorer la phytorémédiation, demeurent peu compris. Dans cette étude, nous nous sommes intéressés aux communautés de champignons endophytes de racines de deux espèces de plantes (Eleocharis erythropoda et Populus sp.). Ces espèces poussaient de manière spontanée dans trois bassins de sédimentation d’un ancienne usine pétro-chimique ayant des niveaux de contaminations différents, en utilisant à la fois une approche d’isolation d’organisme ainsi que des analyses de pyroséquençage de l’ITS d’ADN ribosomal. Nos résultats indiquent que les niveaux de contamination ont un effet significatif sur la composition taxonomique des champignons endophytes des racines de E. erythropoda. Une majorité des données de séquences appartiennent à la classe des Dothideomycetes dans les échantillons de forte concentration en hydrocarbures pétroliers, dont une majorité appartient au genre Alternaria. La comparaison des données d’isolation et de pyroséquençage suggère que l’isolation de souches ne permet pas l’obtention des souches les plus représentées dans les données de pyroséquençage. Ces résultats pourront potentiellement aider à l’élaboration de stratégies pour améliorer la phytorémédiation en utilisant les champignons endophytes.

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The thesis gives a general introduction about the topic include India, the spatial and temporal variation of the surface meteorological parameters are dealt in detail. The general pattern of the winds over the region in different seasons and the generation and movements of the thermally and dynamically originated local wind systems of Western Ghats region has been studied. The modification of the prevailing winds over region by the Palghat Gap and its effect on the mouth regions pf the gap is analysed in great depth. The thesis gives the information of climatic elements of the mountain region such as energy budgets, rainfall studies, evaporation and condensation and the variation in the heat fluxes over the region. The impact of orography is studied in a different approach. The type of hypothetical study gives more insight into the control of mountain on the distribution of meteorological parameter over the study region and helps to quantify the impact of the mountain in varying the weather climate of region. The detailed study of the hydro-meteorological aspects of the main river basins of the region also should be included to the climatic studies for the total understanding of the weather and climate over the region.

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In this thesis, a detailed attempt has been made to understand the general hydrography of the upper 300m of the water column, in the eastern Arabian Sea and the western Bay of Bengal, the two contrasting basins in the northern Indian Ocean, using recently collected data sets of Marine Research-Living Resources (MR-LR) assessment programme, funded by Department of Ocean Development, from various cruises, pertaining to different seasons. Initially it discuss the general hydrography of the west and east coasts of India are covered, in the context of mixed layer processes. The study describes the materials and methods . To compare the hydrography of the AS and BOB, a unique MLD(Mixed Layer Depth) definition for AS and BOB is essential, for which the 275 CTD profiles were used. A comparison has been made among the various MLD criteria with the actual MLD. The monthly evolution of MLD, barrier layer thickness and the role of atmospheric forcing on the dynamics of the mixed layer in the AS and BOB were studied. The general hydrography along the west coast of India is described. The upwelling/downwelling, winter cooling processes, in the context of chemical and biological parameters, are also addressed. Finally the general hydrography of the Bay of Bengal is covered. The most striking feature in the hydrography are the signature of an anticyclonic subtropical gyre during spring intermonsoon and a cold core eddy during winter monsoon. The TTS(Typical Tropical Structure) of the euphotic layer was also investigated.

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Drainage basins are durable geomorphic features that provide insights into the long term evolution of the landscape. River basin geometry develop response to the nature and distribution of uplift and subsidence, the spatial arrangement of lineaments (faults and joints), the relative resistance of different rock types and to climatically influenced hydrological parameters . For developing a drainage basin evolution history, it is necessary to understand physiography, drainage patterns, geomorphic features and its structural control and erosion status. The present study records evidences for active tectonic activities which were found to be responsible for the present day geomorphic set up of the study area since the Western Ghat evolution. A model was developed to explain the evolution of Chaliar River drainage basin based on detailed interpretation of morphometry and genesis of landforms with special emphasis on tectonic geomorphic indices and markers.

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This thesis entitled ecology of chaetognaths in the indian EEZ.The present study, in general, deals with the distribution pattern of mesozooplankton biomass and abundance with special reference to the detailed ecology of the important carnivorous planktonic group, the chaetognath, in the two major ocean basins of the Indian EEZ, the Arabian Sea (AS) and the Bay of Bengal (BoB). Prior to the International Indian Ocean expedition (IIOE, 1960 – 1965), cmprehensive studies on chaetognath in the Indian waters were very limited and was confined mostly to some coastal and oceanic regions. The study revealed a profound influence of different physical process on the abundance of chaetognath community. The significant influence exerted by different physico-chemical factors on the vertical distribution of chaetognath species was also evident. Prior to this study, only very little information was available on the ecology and distribution pattern chaetognaths in both the Arabian sea and the Bay of Bengal in relation to various mesoscale processes and physicochemical .variables. This study, emphasizing the short term and long term influences of different meso-scale and basin scale physical events on the ecology of this important plankton group provides the baseline data for extensive ecological research on any major mesozooplankton group in this tropical low latitude region.

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The Arabian Sea and the Bay of Bengal are both highly dynamic ecosystems, due to the seasonally reversing monsoon winds, but the processes affecting the mesozooplankton community remain poorly understood. These are important basins exhibiting enhanced biological production as a result of upwelling, winter cooling and other episodic events such as eddies and gyres. Zooplankters are primarily the prey for almost all fish larvae. Seasonal changes in the biogeochemical processes can strongly affect zooplankton density and distribution, which in turn, strongly affect the larval growth, and consequently, the pelagic fish recruitment. It is clear that plankton biomass and biogeochemical fluxes are not in steady state. Acoustic data on mesozooplankton abundance suggests that they also exist in the mesopelagic zone. Earlier studies were confined only to the upper 200 m and hence the structure of mesozooplankton community in the deeper layers was not well known. Copepods are the dominant mesoplankton group, and therefore the majority of the studies were focused on them. The planktonic ostracods are the second major crustacean group and at times, their swarms can outnumber all other planktonic groups. The understanding of the community structure of the ostracods is essential to establish their role in the marine food web. Mesozooplankton is responsible for the vertical flux of organic matter produced by phytoplankton and is assumed to be equivalent to new production (Eppley & Peterson, 1979). Since the fate of newly produced organic matter depends upon their consumers, the zooplankton biomass must be estimated in size fractions or taxonomic components to understand the vertical flux of organic carbon. It is thus important to update our knowledge on different groups of zooplankton on the basis of seasonal and temporal distribution. The distribution in space and time is essential for modeling the carbon cycling that structure the marine ecosystems

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Continental shelf is of particular significance in marine geology , because it links the two basically different structural zones in the earth's crust; the continents and ocean basins. The shelf area has much wider importance in many fields of activity such as scientific, economic, social, political and strategic. The pace of development has ultimately put pressure on mankind to look for exploitable resources and accessibility to the continental shelf area and beyond. Added to the above, the developmental activities in the coastal area would readily and directly influence the innershelf sediments. This situation demands a thorough geological knowledge of the continental shelf area. Moreover, a successful management of the continental shelf zone requires an optimum data base on the physico-chemical nature of the shelf sediments. Although sedimentological studies were carried out along the western continental shelf of India, a well documented systematic study of the inner shelf off Trivandrum coast is still found to be lacking. Considering the physiographic settings and the vicinity of two renowned placer deposits at Chavara and Manavalakurichi, such a sedimetological inventory has become all the more vital. In view of the above, a research programme has been drawn up to account the salient sedimentological and mineralogical aspects of the innershelf and beach sediments between Paravur and Kovalam, Trivandrum district, Kerala (latitudes 8° 7'00" to 8° 47'45" and longitudes 76°43'00" to 77° 40'45"). The findings are presented in six chapters formatted to address the aim of this research.

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Regional climate models are becoming increasingly popular to provide high resolution climate change information for impacts assessments to inform adaptation options. Many countries and provinces requiring these assessments are as small as 200,000 km2 in size, significantly smaller than an ideal domain needed for successful applications of one-way nested regional climate models. Therefore assessments on sub-regional scales (e.g., river basins) are generally carried out using climate change simulations performed for relatively larger regions. Here we show that the seasonal mean hydrological cycle and the day-to-day precipitation variations of a sub-region within the model domain are sensitive to the domain size, even though the large scale circulation features over the region are largely insensitive. On seasonal timescales, the relatively smaller domains intensify the hydrological cycle by increasing the net transport of moisture into the study region and thereby enhancing the precipitation and local recycling of moisture. On daily timescales, the simulations run over smaller domains produce higher number of moderate precipitation days in the sub-region relative to the corresponding larger domain simulations. An assessment of daily variations of water vapor and the vertical velocity within the sub-region indicates that the smaller domains may favor more frequent moderate uplifting and subsequent precipitation in the region. The results remained largely insensitive to the horizontal resolution of the model, indicating the robustness of the domain size influence on the regional model solutions. These domain size dependent precipitation characteristics have the potential to add one more level of uncertainty to the downscaled projections.