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Topic: Hydrological

	Hydrology - Wikipedia, the free encyclopedia
		Hydrological research is useful in that it allows us to better understand the world in which we live, and also provides insight for environmental engineering, policy and planning.
		Marcus Vitruvius, in the first century B.C., described a philosophical theory of the hydrologic cycle, in which precipitation falling in the mountains infiltrated the earth's surface and led to streams and springs in the lowlands.
		Hydrologic models are simplified, conceptual representations of a part of the hydrologic cycle.
	en.wikipedia.org /wiki/Hydrology (1130 words)

	Ecohydrology - Wikipedia, the free encyclopedia
		Ecohydrology is a sub-discipline of hydrology that focuses on ecological processes involved in the hydrological cycle.
		The hydrologic cycle describes the flow and movement of water through the soil plant atmosphere continuum.
		The interactions among vegetation, the land surface, and the vadose zone are the primary subject of ecohydrology.
	en.wikipedia.org /wiki/Ecohydrology (812 words)

	Natural Resource Management: Spatiotemporal hydrological modelling
		Most of the hydrological models are numerical and computer based, and assume some form of spatially averaging process for parameter definitions.
		Hydrological model parameters were derived from the supervised classification of IRS LISS II imagery for different land use categories based on their hydrological significance.
		The UMCA hydrological model is a simplified version of a set of water balance equations to calculate runoff response from the catchment.
	www.gisdevelopment.net /application/nrm/water/surface/watsw0006.htm (893 words)

	Remote Sensing May Provide Unprecedented Hydrological Data
		Hydrologic remote sensing can reveal complex spatial variations that cannot be readily obtained through traditional in situ approaches.
		Once the hydrological models are developed for use with remote sensing data in the heavily monitored basins, they can possibly be "transported" for use in regions having little or no in situ measurement system.
		As part of the 1993-1996 experiment, a continuous set of meteorological, hydrological, and satellite remote sensing measurements (see Table 1) were gathered during the period August 1993 through September 1994 over the 1000 x 1000 km2 study region, covering most of Saskatchewan and Manitoba, Canada.
	www.agu.org /eos_elec/97035e.html (3666 words)

	Unesco Water Portal \| International Hydrological Programme \| IHP-VI Plan
		Hydrological, hydraulic, morphological, biological, chemical processes and human impacts on the hydrological cycle are relatively well known when analyzed at a small-basin and aquifer scale and when the phenomena have been studied in isolation.
		It is the natural scale for hydrological processes but it is also a relevant approach for landscape and landuse mapping because of the topographically driven organization of the watershed.
		Apart from these climatic classifications, hydrologic and water resources management problems referring to the fragile ecosystem of drylands, wetlands, mountains, coastal zones and small islands are to be considered, irrespective of their geographic/climatic location and land use such as urban, peri-urban areas and rural settlements.
	www.unesco.org /water/ihp/ihp_six.shtml (3744 words)

	SOFIA - Impacts of hydrological restoration on three estuarine communities - Proposal 2001
		Major changes in the distribution of freshwater sources and submerged aquatic vegetation may substantially alter the suitability of these habitats for manatees, which are apparently closely tied to freshwater by physiological requirements, and to SAV for foraging requirements.
		Implementation of the hydrologic restoration plan for the Southern Golden Gate Estates is predicted to reduce freshwater point flow discharges in this canal by two orders of magnitude and to minimize the freshwater shock loads to the Ten Thousand Islands Estuary (Abbott and Nath 1996).
		The ultimate objectives of the proposed research are to predict and assess how altered hydrologic regimes planned by restoration managers are likely to impact submerged aquatic vegetation, fish, decapod crustaceans, and West Indian manatees in a range of estuarine habitats in SW Florida.
	sflwww.er.usgs.gov /proposals/2001/impactsestp01.html (7012 words)

	hydrological cycle -- hydrological cycle (Site not responding. Last check: 2007-10-31)
		The Hydrological Cycle A key concept in studying water is the hydrological cycle - a continual exchange of water among the land, seas, and atmosphere: Water evaporates from the ocean surface and is...
		Hydrological cycle in the upper Mississippi River basin: 20th century simula...
		The International Association of Hydrological Sciences (IAHS) encourages and supports BALWOIS 2006 as its objectives are is to study the hydrological cycle on the Earth and the waters of the...
	www.fdnbikes.com /hydrologicalcycle (3187 words)

	Hydrological Monitoring - Official Lee County Government Web Site
		Because each of the County's 48 watersheds is unique, the goal of the plan was to analyze and provide management practices for each one of them.
		The study was initially conducted in the area of the Six Mile Cypress watershed in 1990, and continued with the analysis of 10 additional watersheds in 1991, 19 watersheds in 1992, and 6 more in 1997.
		Furthermore, the information is used to establish and calibrate various hydrological, hydraulic, and storm water runoff models.
	www.lee-county.com /naturalresources/hydromonitor/default.htm (498 words)

	Hydrological Cycle (hurricanes, glacial and snow melt, and water supply)
		Water moves in a continuous cycle, dubbed the"hydrological cycle", in which it is moved throughout the Earth as it is taken in by plants and animals, condensed and precipitated, infiltrated, as well as by other processes.
		Climate change is altering hydrological cycles, with long-term implications for global food availability and the viability of ecosystems.
		Given its size and role in distributing freshwater through the ecosystem, the Amazon hydrological cycle is key to global climate patterns.
	pubs.wri.org /pubs_content_print.cfm?ContentID=3916 (2785 words)

	Anthropogenic carbon forcing in a simple climate model with coupled hydrological and carbon cycles
		In this case, despite an overwhelmingly powerful contribution to energy balance from the hydrological cycle at large, the biota were capable of adjusting the mean global temperature by approximately 1.6K.
		Chief among these are the sequestering of carbon in the surface waters of the terrestrial ocean; the sequestering and re-release of carbon due to the birth-death cycle in the planet’s biomass; and the behavior of stomatal density in response to local changes in carbon, which directly affects evapotranspiration in vegetated regions.
		[4], coupled to the fully dynamic hydrological cycle presented in [3] in order to study the effect on the global means of temperature and rainfall under changes in the anthropogenic carbon forcing.
	cires.colorado.edu /science/pro/irp/2005/guptaNordstromChase (1218 words)

	Hydrological Cycle (Site not responding. Last check: 2007-10-31)
		The hydrological cycle is what is known as a closed system because there are no external inputs or outputs of water to or from the system.
		The oceans, which cover more than 70% of the Earth's surface, control the hydrological cycle and indeed the whole ecosystem of the planet.
		As wind blows across the surface of the ocean, this heat causes water to evaporate from the sea and become absorbed into the air as water vapour—the amount absorbed depends on the temperature of the water.
	www.pacificislandtravel.com /nature_gallery/hydrologicalcycle.html (1153 words)

	Wiley::Hydrological Processes
		Hydrological Processes is an international journal devoted to the publication of original scientific and technical papers in hydrology.
		The scope of the journal encompasses disciplines focussing on the physical, biogeochemical, mathematical and methodological aspects of hydrological processes together with research on instrumentation and techniques.
		As such, it should be seen as a forum for rapid scientific communication and as a vehicle for up-to-date dialogues in hydrological sciences.
	eu.wiley.com /WileyCDA/WileyTitle/productCd-HYP.html (320 words)

	Components of the global hydrological cycle: (Site not responding. Last check: 2007-10-31)
		The hydrological cycle consists of a collection of reservoirs (each having a particular mass of water substance) and movement (fluxes, measured in units of mass or volume per unit time) of water substance between these reservoirs.
		The accompanying diagram gives the relative sizes of the land, ocean, and atmospheric reservoirs of the global hydrological cycle and the processes (evaporation, precipitation, and runoff) that lead to interchanges among these reservoirs.
		The ocean is obviously the largest reservoir, followed (by a factor 40 smaller) by land, and followed by an additional factor of 2500 by the atmosphere.
	www.iitap.iastate.edu /gccourse/hydro/aspects/aspect_lecture.html (2721 words)

	AWRA Symposium - CATHALAC: Coordinated Research on Hydrological Processes in the Humid Tropics of Latin America and the ...
		It was understood that hydrological processes do not consider nation’s borders as obstacles to complete their cycles, hence, research had to be able to follow the same route to come to a full understanding of the process.
		Significant impacts occur for tropical agriculture, energy and hydrological resources, fishing/aquiculture and health, most of which are heavily dependent on, and vulnerable to the timing and intensity of wet and dry seasons.
		To join and streamline efforts contributed to hydrological research in the humid tropics, UNESCO organized the "International Colloquium on the Development of the Hydrology and Water Management Strategies in the Humid Tropics" which was held in July 1989, in Townsville, Australia.
	www.awra.org /proceedings/sanjuan98/cathalac/index.htm (2308 words)

	Rickly Hydrological Company
		Our company has manufactured USGS hydrologic instrumentation equipment for over 75 years and can provide you with high quality equipment at competitive prices and dependable delivery schedules.
		Hydrologic Instrumentation is our only business, and we are dedicated to maintaining high standards and meeting the demands of our customers worldwide.
		The USGS currently uses this equipment for its continuing hydrological data gathering and water resource investigation projects throughout the U.S.A. The sediment samplers were designed and developed by the Federal Inter-Agency Sedimentation Project, and are used by the USGS and other federal agencies which have the responsibility for taking sediment load and water quality samples.
	www.rickly.com (196 words)

	International Hydrological Programme \| About (Site not responding. Last check: 2007-10-31)
		The dynamics of water availability (per capita) are given for the period from 1950 up to 2025 for all physiographic and economic regions and selected countries.
		This part presents observation data on monthly and annual river runoff from major stations (more than 2000 hydrological stations) located in different countries in each continent.
		The designations employed and the presentation of material throughout do not imply the expression of any opinion whatsover on the part of UNESCO concerning the legal status of any country, territory, city or area or its authorities, or concerning the delimitation of its frontiers or boundaries.
	webworld.unesco.org /water/ihp/db/shiklomanov/index.shtml (432 words)

	Ecological and Hydrological Interrelationships (Site not responding. Last check: 2007-10-31)
		In semiarid landscapes, ecological and hydrological processes are tightly interrelated.
		For example, plant community patterns and ecosystem processes are highly dependent on soil water availablity, while runoff is highly dependent on heterogeneity in ground cover.
		We are currently testing these hypotheses, as well as others dealing with ecological and hydrological relationships.
	ees5-www.lanl.gov /EES15/capability01a1.htm (217 words)

	Hydrological Data
		The objective is to provide hydrological data and real-time access for monitoring and managing Mississippi's oyster reefs and other marine species and their habitats.
		This project is currently being funded by a grant from the National Oceanographic and Atmospheric Administration’s Coastal Impact Assistance Program (CIAP) administered by the Mississippi Department of Environmental Quality and by the Mississippi Tidelands Trust Fund.
		Hydrological monitoring and real time access to the data is valuable to Mississippi's marine resource management.
	www.dmr.state.ms.us /Fisheries/Hydrological/HydrologicalData.htm (222 words)

	Learn more about Hydrological phenomenon in the online encyclopedia. (Site not responding. Last check: 2007-10-31)
		Learn more about Hydrological phenomenon in the online encyclopedia.
		Hint: Play with putting spaces before and after your words to see the different results you get.
		A hydrological phenomenon or hydrologic phenomenon are those observable events which are explained by or illuminate the applied science of hydrology.
	www.onlineencyclopedia.org /h/hy/hydrological_phenomenon.html (120 words)

	WMO Resolution 25 (Cg-XIII) - Exchange of Hydrological Data and Products
		The requirement for the global exchange of hydrological information in support of scientific investigations of world importance such as those on global change and the global hydrological cycle, and as a contribution to relevant programmes and projects of WMO, other United Nations agencies, ICSU and other organizations of equivalent status,
		Members shall provide on a free and unrestricted basis those hydrological data and products which are necessary for the provision of services in support of the protection of life and property and for the well-being of all peoples;
		Members shall ensure that the exchange of hydrological data and products under this resolution is consistent with the application of Resolution 40 (Cg-XII) – WMO policy and practice for the exchange of meteorological and related data and products including guidelines on relationships in commercial meteorological activities;
	www.wmo.ch /web/homs/Links/res25eng.html (1210 words)

	Global Hydrological Cycle
		Yang, F., A. Kumar, M. Schlesinger, and W. Wang, 2003: Intensity of hydrological cycles in warmer climates.
		Lau, K. Sui, and W. Tao, 1993: A preliminary study of the tropical water cycle and its sensitivity to surface warming.
		Chahine, Moustafa T., 1992: The hydrological cycle and its influence on climate.
	www.meteor.iastate.edu /gccourse/alumni/hydro/aspects/aspects.html (312 words)

	The Hydrologic Cycle: online meteorology guide
		The distribution of water among the oceans, land and atmosphere.
		A brief encapsulation of the hydrologic cycle, plus an example of the hydrologic cycle at work.
		The navigation menu (left) for this module is called "Hydrologic Cycle" and the menu items are arranged in a recommended sequence, beginning with this introduction.
	ww2010.atmos.uiuc.edu /(Gh)/guides/mtr/hyd/home.rxml (304 words)

	SOFIA - Impacts of hydrological restoration on three estuarine communities
		A primary goal of Everglades restoration is the recreation of water flows and water quality more closely approximating pre-drainage conditions in both freshwater and estuarine ecosystems within Everglades National Park.
		Impacts of Hydrological Restoration on Three Estuarine Communities of the Southwest Florida Coast and on Associated Animal Inhabitants (abstract is from the GEER Conference, December 2000)
		Patterns in the distribution and abundance of mangrove-associated fishes and crustaceans along a salinity gradient in Shark River, Everglades National Park (abstract is from the GEER Conference, December 2000)
	sofia.usgs.gov /projects/impacts_est (412 words)

	NASA: Hydrological Sciences Branch - Code 614.3
		The Hydrological Sciences Branch (formerly Code 974) is a branch of the Hydrospheric and Biospheric Sciences Laboratory located at NASA's Goddard Space Flight Center in Greenbelt, Maryland.
		Here, at the Hydrological Sciences Branch, we recognize the primary role of water in the Earth system, and seek a deeper insight into the science and physical principles underlying hydrology from local to global perspectives.
		The ultimate goal is to improve/nurture the following global measurements: precipitation (P), evaporation (E), P-E and the land hydrologic state, such as soil-water, freeze/thaw and snow.
	neptune.gsfc.nasa.gov /hsb (335 words)

	IRRIGATION IN THE SPANISH NATIONAL HYDROLOGICAL PLAN
		Resolutions of the National Hydrological Plan in respect of water.
		Forecast for new irrigation in the National Hydrological Plan.
		Irrigation transformations in the catchment area Hydrological Plans.
	www.actahort.org /books/335/335_1.htm (45 words)

	Hydrological FAQ
		I'd like hydrologic data and information for streams, rivers or lakes.
		NASA's Marshall Space Flight Center maintains the Global Hydrology and Climate Center, while the United States Geological Survey (USGS) maintains a comprehensive web site covering water quality, surface and groundwater monitoring, lake levels, discharge rates and other facets of continental hydrology.
		For more hydrological links, check out the GCMD links page.
	gcmd.gsfc.nasa.gov /Resources/FAQs/hydro1.html (151 words)

	Southern Regional Climate Center - Hydrological Information from the USGS
		The SRCC TROPICAL DESK provides current tropical storm and hurricane outlooks, forecasts, storm tracks, and links to additional sources of information.
		Click on a state to view real-time hydrological data from the USGS' Water Watch Page.
		To view other states, click here for a US national map.
	www.srcc.lsu.edu /southernClimate/monitoring/usgs (73 words)

	engineering - hydrological (Site not responding. Last check: 2007-10-31)
		These engineers specialize in hydrological studies, soil and water testing, under- and above ground water flow monitoring, drilling and environmental effects, and mathematical modeling of related physical systems.
		They may have undergraduate or graduate degrees in Geology or the geological sciences.
		Macroscale Hydrological Modeling for the Upper Mississippi basin
	www.sunybroome.edu /~egr_dept/options/hydro.htm (69 words)

	Hydrological Services America Pty Ltd
		Always on the Move, with 3 years warranty on all products
		Hydrological Services, as the name describes, is a company dedicated to providing environmental,hydrological and Meteorological equipments and services to the hydrography industry.
		Products are Tipping Bucket Raingauges, Hydrological Services Winches, Hydrological Services Current meters, OSS-PC1, OSS-B1, Bubble Unit, Shaft Encoders, Hydrological Services Gas Purge Compressors, HS-55, HS-50, Sediment Samplers and Bedload Samplers and much more
	www.hydrologicalservicesamerica.com (76 words)

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