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| | Potential Biological Response to Salinity -Appendix G |
 | | Salinity levels detrimental to reproduction of sargo and corvina will be determined by laboratory bioassay techniques. | | | In one experiment, survival was 90% at a salinity of 35 0/00, dropped to 8% at 45 0/00 and was 0% at all higher salinities. | | | Fish can acclimate to salinity changes through behavioral and physiological means. |
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http://www.sci.sdsu.edu/salton/BiolResponsetoSalinityAppG.html
(5599 words)
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| | Salinity - Wikipedia, the free encyclopedia |
| | Put simply, these are bodies of water with quite variable salinity. | | | Organisms (mostly bacteria) that can live in very salty conditions are classified as extremophiles, halophiles specifically. | | | In contrast to homoiohaline environments are certain poikilohaline environments (which may also be thallassic) in which the salinity variation is biologically significant (Dahl, 1956). |
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http://en.wikipedia.org/wiki/Salinity
(833 words)
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| | The Basics of Salinity and Sodicity Effects on Soil Physical Properties |
| | "Response of soils to sodic and saline conditions." Hilgardia. | | | Figure 3 demonstrates the relationship between salinity and sodicity and infiltration rates. | | | More than fifty years of research have been conducted to determine the relationship between salinity (EC) and sodicity (SAR) of irrigation water and its affects on soil physical properties. |
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http://waterquality.montana.edu/docs/methane/basics_highlight.shtml
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| | SOFIA - Salinity Patterns in Florida Bay: A Synthesis - Abstract |
| | Sources include both quantitative salinity values as well as anecdotal observations about salinity and related conditions (for example, direct observations of freshwater occurrences, fish kills, and other phenomena reflecting changes in water quality). | | | A second aim of the search was to identify and retrieve reference and anecdotal materials containing information interpretable in terms of salinity conditions within the bay. | | | Less quantitative or anecdotal references to salinity conditions date back to the turn-of-the-century in the scientific literature, and to the mid-19 |
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http://sofia.usgs.gov/projects/sal_patterns/salpatabgeer00.html
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| | SALINITY |
| | However, our detailed knowledge and understanding of the important social processes, and the impacts of dryland salinity on individuals and communities is still developing. | | | The old adage that prevention is better than cure certainly holds with regard to dryland salinity. | | | Salinisation also affects irrigation areas, and detail on this aspect will be given in a separate position paper (in press). |
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http://www.eng.newcastle.edu.au/~ncwe/ncwePosPaper/ppSalinity.htm
(4418 words)
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| | NSW SoE 1995 - Land - CASE STUDY: The Yass Salinity Abatement Demonstration Program (YSADP) |
| | They were generally not able to identify early warning signs, such as changes in pasture composition and emerging seepage sites, nor were they aware of management practices which exacerbate salinity problems. | | | It surveyed land holders in the Yass area on their awareness and attitudes regarding dryland salinity issues. | | | These are being managed by reclamation techniques, such as pitting and "ponding", reduced grazing pressure, and better rabbit control. |
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http://www.epa.nsw.gov.au/soe/95/12_2s1.htm
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| | Salinity in Australia |
| | This means that while Australia's salinity problem is already significant, it is expected to increase as a result of past and present practices. | | | The National Action Plan seeks to prevent, stabilise and reverse trends in dryland salinity and to improve water quality and secure allocations for a range of uses. | | | Increasing salinity is one of the most significant environmental problems facing Australia. |
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http://www.deh.gov.au/land/pressures/salinity
(506 words)
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| | Salinity and Sodicity in North Dakota Soils |
| | For example, 24 and 17 percent of the soils in Grand Forks County and Slope County, respectively, are affected by salinity or sodicity (Soil Survey Staff, 1987). | | | The U.S. Salinity Laboratory Staff (1954) determined a SAR of 13 from a saturated soil extract is comparable to 15 percent of the adsorption sites being occupied by Na Because of the difficulty and laboratory expense of analyzing the amount of actual Na | | | Crop symptoms from high salinity are generally the same as symptoms of moisture stress from dry conditions. |
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http://www.ext.nodak.edu/extpubs/plantsci/soilfert/eb57-1.htm
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| | Agricultural Salinity and Drainage |
| | Its 34 short chapters cover the basics of salinity - what it is and how plants respond to it - and provide non-technical, practical, step-by-step guides on measuring and managing salinity in the field. | | | As such, it brings material from salinity texts together with information gathered from our own field experience. | | | Salinity problems also exist in other areas of the state. |
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http://lawr.ucdavis.edu/irrigation/manuals/93-01.html
(639 words)
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| | National Dryland Salinty Program - Know how to tackle salinity - |
| | Throwing large sums of money at Australia’s salinity problems is unlikely to be the most effective use of limited resources, a national research program has concluded. | | | A groundwater flow systems framework for salinity management | | | A range of approaches that can help answer the question "what are the impacts of dryland salinity and how do we value them?" |
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http://www.lwrrdc.gov.au/ndsp
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| | Aqueduct Magazine Cubed - Assault on Salinity |
| | Water managers are now seeking rules to force treatment of brine water before it re-enters the aquifers. | | | The other half of the salinity problem comes from people. | | | The trade-off, however, is a risk to supply reliability. |
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http://www.mwdh2o.com/Aqueduct/july2001/salinity2.htm
(566 words)
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| | Salinity |
| | We all have a vital role to play in ensuring our natural landscape is regenerated and enjoyed for generations to come. | | | Salinity is caused by a rise in underground water-tables, which brings naturally occurring salt to the surface in a concentrated form. | | | Each time the area is irrigated this salinity process is repeated. |
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http://www.nrm.gov.au/publications/salinity
(1039 words)
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| | Managing Salinity in Florida Citrus |
| | Unlike soil applied salinity, direct foliar contact injury affects trees about equally on all rootstocks. | | | However in some areas, salinity management may become the major objective of irrigation management. | | | Typical effect of salinity on water stress levels within plants (adapted from Wadleigh and Ayers, 1945). |
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http://edis.ifas.ufl.edu/AE171
(3843 words)
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| | Issues: Salinity - CSIRO Land and Water |
| | Overview of key Natural Resource Management Issues in the Burdekin Catchment, with particular reference to Water Quality and Salinity. | | | Salinity affects regions in all parts of Australia. | | | Clever crop rotations help mop up salinity from Farming Ahead no.114: on the Landlinks website |
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http://www.clw.csiro.au/issues/salinity
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| | WG3: Problem soils – Salinity |
| | The soil problems in the different ecologies are shown in Table 4. | | | Participants from each country and several states in India presented paper on research activities being carried out at each center. | | | In India, the salinity problem occurs in the different states (Table 2). |
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http://www.irri.org/cure/lowlandWG3.htm
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| | Salinity |
| | Design your own experiment to test if water gets heavier as it gets saltier. | | | Put 1 cup of water in each bottle. | | | Salinity is a measure of how much salt is dissolved in water: the saltier the water, the greater its salinity. |
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http://www.galaxy.net/~k12/water/salinity.shtml
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| | Salinity 2006 mtg |
| | Discussion: Are there specific experiments that need to be done? | | | The workshop goal is to provide information to the science community about the nature of the Aquarius/SAC-D salinity measurements (resolution, accuracy, sampling, algorithms, data system, data access, etc.) and to provide a forum for discussion of key science problems, data analysis, modeling strategies and related issues. | | | Discussion: What are the elements of an improved salinity monitoring system for climate? |
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http://www.usclivar.org/Organization/Salinity_WG/Salinity2006.html
(984 words)
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| | Science Search > Salinity |
| | Shows areas of Australia most affected and measures to reduce s | | | The Science Search Directory is based on DMOZ. | | | Is a collaborative research and development effort that is investigating the causes of, and solutions to, the problem of dryland salinity in Australia. |
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http://www.science-search.org/index/Agriculture/Soils/Salinity
(151 words)
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| | Salinity |
| | The flagellate Dunaliella salina is particularly adapted to these high salinity conditions. | | | Salinity fluctuations in coastal waters may be important, however, especially in areas with seasonal runoff, such as estuaries. | | | Where there is a lot of fresh water inflow, such as in estuaries and the Arctic, plants can experience salinity fluctuations ranging from 0 to 35 |
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http://hypnea.botany.uwc.ac.za/marbot/Physprop/salinity.htm
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| | Salinity in NSW |
| | Action is under way to apply this approach. | | | Salinity is a threat to the health and productivity of many catchments, and to the rural and urban communities that live in them. | | | River salinity and industrial salinity can be observed as related phenomena. |
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http://www.dlwc.nsw.gov.au/care/salinity
(862 words)
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| | Salinity Intrusion in the Red River Delta |
| | The boundary conditions for salinity computations are given salinity concentration at the estuarine boundary points and zero value of salinity at the upstream boundary points. | | | A numerical model has been developed to study in detail the salinity intrusion problem in the estuaries of the river system. | | | Central difference formulas are used for the salinity dispersion-diffusion term in the Equations (3). |
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http://coombs.anu.edu.au/~vern/env_dev/papers/pap08.html
(2160 words)
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| | SALINITY |
| | Salinity will vary from place to place and from time to time. | | | Salinity can be measured a number of ways. | | | If a sample of water were divided evenly into 1,000 cups, one of those cups would be 1 ppt. |
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http://www.qacps.k12.md.us/cms/sci/TESTSAL.HTM
(694 words)
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| | Salinity |
| | Salinity varies slightly from place to place around the world, and also varies somewhat with the seasons (affected by temperature and precipitation). | | | Explain what is meant by the term salinity. | | | Freshwater has a salinity less than about 5 ppth (5 |
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http://www.gpc.edu/~pgore/Earth&Space/GPS/Salinity.html
(1274 words)
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| | Ocean Water: Salinity |
| | Most marine creatures keep the salinity inside their bodies at about the same concentration as the water outside their bodies because water likes a balance. | | | Freshwater salinity is usually less than 0.5 ppt. | | | Salinity is expressed by the amount of salt found in 1,000 grams of water. |
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http://www.onr.navy.mil/focus/ocean/water/salinity1.htm
(426 words)
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| | Ship Mates: Salinity |
| | Many regions are affected by processes that both increase and decrease salinity. | | | Although salinity generally increases with depth (<<<), there is a distinct layer where salinity increases sharply called the Halocline. | | | In much of Earth's oceans, there is a marked difference in salinity between the Surface Zone and the Deep Zone. |
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http://www.bigelow.org/shipmates/salinity.html
(276 words)
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| | Salinity |
| | The saline environment has quite an effect on life in the oceans. | | | As shown on this graph, there are some geographic variations of salinity that are of interest. | | | Humans have the responsibility to make sure their actions are not causing this type of devastation. |
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http://www.windows.ucar.edu/tour/link=/earth/Water/salinity.html&edu=high
(671 words)
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| | A Q U A R I U S |
| | Salinity is now measured as practical salinity units (psu). | | | practical salinity unit (psu): Used to describe the concentration of dissolved salts in water, the UNESCO Practical Salinity Scale of 1978 (PSS78) defines salinity in terms of a conductivity ratio, so it is dimensionless. | | | Our first installment of educational materials – "Salinity Patterns and the Water Cycle" – meet physical science content standards of the National Science Education Standards. |
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http://www.bigelow.org/aquarius/education-salinity.html
(342 words)
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| | DoE: Salinity |
| | Modem/regional users may wish to contact our Information Centre to see whether access to this information is available by an alternative method. | | | The Department of Environment runs a broad Salinity Management Program, working with other state agencies, regional Natural Resource Management (NRM) groups, communities and the Commonwealth Government to research and deliver effective responses to the salinisation of land and water. |
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http://portal.environment.wa.gov.au/portal/page?_pageid=55,68510&_dad=portal&_schema=PORTAL
(419 words)
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| | Utilities: salinity from conductivity |
| | This calculator derives salinity from a value of the in situ conductivity (as determined, for example, by a CTD), temperature and pressure. | | | Temperature uses IPTS-68, salinity uses PSS-78; see reference. | | | Entering a pressure value equal to the depth in metres will give an approximate result. |
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http://www.es.flinders.edu.au/~mattom/Utilities/salcon.html
(158 words)
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| | Side Bar |
| | The Bayouside Classroom program uses two methods for measuring salinity. | | | Prior to using the refractometer it should be checked to make sure that it is reading properly. | | | Read salinity in parts per thousand (ppt, the right side of the scale) at the intersection of the light and dark fields in the eyepiece. |
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http://www.lumcon.edu/education/studentdatabase/salinity.asp
(453 words)
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| | Salinity |
| | Other autonomous profilers under development, such as the self powered Slocum [ Stommel, 1989], will also provide salinity profiles. | | | While long in development, it appears that some success has been achieved in using the eXpendable Conductivity-Temperature-Depth probe (XCTD) as an operational instrument [ Roemmich, personal communication 1992]. | | | This can be done using another frequency (2.65 or 5.0 GHz) or temperature data from another source. |
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http://www.agu.org/revgeophys/schmit01/node15.html
(620 words)
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| | AOML » GCC »Salinity Maps |
| | Moreover, there are strong correlations between salinity and alkalinity. | | | Exploratory studies are underway to determine which factors have predictive capabilities for which regions. | | | The salinity fields are derived from melding data from thermosalinographs from VOS, CTD's from research ships and profiling floats. |
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http://www.aoml.noaa.gov/ocd/gcc/salinity/salinity.html
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| | Salinity |
| | This lab involves five different methods for the determination of salinity. | | | The velocity of light through a medium is inversely proportional to the density of that medium, i.e., the more stuff, the slower light travels through it. | | | The refractometer is a unit which measures this angle of refraction, and uses the relationship given by Snell's law to report the results in units of salinity. |
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http://www-ocean.tamu.edu/~dkobilka/salinity.html
(906 words)
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| | Salinity |
| | Dryland salinity throughout Australia is a major natural resource issue. | | | These reports deal with current salinity monitoring, the previous two years of salinity field work, and obstacles in moving from hazard mapping to risk assessment. | | | Salinity hazard maps identify areas where there is potential for salinity to occur if the landscape is not well managed. |
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http://www.nrm.qld.gov.au/salinity
(172 words)
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| | Salinity Research |
| | Why would the mean salinity change from year to year? | | | Describe the graph and give reasons why you think surface salinity changes in a predictable manner over the course of the year. | | | Fresh water, on the other hand, tends to stay on the surface of the strait and nearer to the rivers from which is emanates. |
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http://www.racerocks.com/racerock/jason/abiotic/salinity_research.html
(398 words)
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| | BIGpedia - Salinity in Australia - Encyclopedia and Dictionary Online |
| | The CSIRO is seeking ways to reduce the impact of salinity on Australian agriculture. | | | This means that in the thin, dry soil there is a layer of saline soil. | | | Large amounts of land are now affected by salinity. |
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http://www.bigpedia.com/encyclopedia/Salinity_in_Australia
(228 words)
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| | NRCS National Water and Climate Center |
| | Agricultural Salinity Assessment and Management (ASCE Manuals and Reports on Engineering Practice No. 71). | | | Course material from the USDA- NRCS training course, Management of Saline and Sodic Soils (1991), a series of five Training Notes by Dr. James D. Rhoades, USDA-ARS Salinity Laboratory, Riverside, California. | | | Handbook No. 60 Saline and Alkali Soils, Diagnosis and Improvement, 1954 (Out-of-Print) |
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http://www.wcc.nrcs.usda.gov/salinity
(548 words)
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| | Salinity.com.au |
| | Rather than the current situation where salinity is a grandstand issue that everyone | | | Having found that sites on salinity are generally 3-4 clicks through some unfriendly government | | | Welcome to Salinity.com.au the website for all Australians affected by salinity. |
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http://www.salinity.com.au
(227 words)
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| | Salinity |
| | The SALSA model was also used in recent research funded by the Grape and Wine Research and Development Corporation. | | | At the heart of the partnership project between— ABARE and the Murray-Darling Basin Commission was a model that integrated catchment scale hydrological and hydrogeological relationships with an economic model of land use— the Salinity and Landuse Simulation Analysis (SALSA). | | | ABARE's recent research on the economics of salinity control and related policy issues has made a direct contribution to the development of the Murray Darling Basin Salinity Strategy. |
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http://www.abare.gov.au/research/landwater/salinity.html
(201 words)
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| | Profile:Salinity |
| | Salinity is measured in practical salinity units, the salinity of the coastal ocean is about 33-34 psu. | | | This condition implies rapid vertical mixing of the water. | | | Salinity gradients are broken down by tidal stirring, so the shape of the salinity profiles changes with the tides. |
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http://sfbay.wr.usgs.gov/access/wqdata/overview/measure/ctd/profiles/njsal_prof.html
(220 words)
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| | Glossary of Terms: S |
| | Plants that exist in this community have special adaptation to survive in the presence of high salinities in their immediate environment. | | | (1) A body of saline water found on the Earth's continental surface. | | | Pedogenic process that concentrates salts at or near the soil surface because evapotranspiration greatly exceeds water inputs from precipitation. |
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http://www.geog.ouc.bc.ca/physgeog/physgeoglos/s.html
(5498 words)
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| | Salinity Refractometer |
| | The RHS series of portable salinity refractometers are designed to measure the salinity of saline solutions similar to that of natural seawater. | | | One scale checks the salinity levels with the range of 0-100 ppt (with 1 ppt scale divisions) and the other scale gauges Specific Gravity with a range of 1.000 to 1.070 (+/- 0.001 accuracy). | | | Both enable the direct determination of salinity in water that contains dissolved salt and little or no other dissolved solids. |
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http://www.diyreef.com/shop/product_info.php?products_id=35
(237 words)
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| | Salinity and Water Quality of Great Salt Lake |
| | Brine shrimp are often washed into Gunnison Bay and may be able to reproduce in a small area where less saline water enters from Gilbert Bay, but as they are carried by currents into the main body of Gunnison Bay, they die. | | | The high salinity (currently 28%) in Gunnison Bay excludes many of the organisms found in Gilbert Bay. | | | The USGS also collects salinity data from each of 16 sites in Gilbert Bay at intervals of 2 to 4 weeks. |
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http://ut.water.usgs.gov/salinity
(429 words)
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| | 11b. Density Currents - Background Information |
| | To change the salinity of an ocean, and thus change the density, two different things can occur: evaporation or freezing. | | | Density currents are also known as thermohaline circulation. | | | The current provides necessary oxygen along with salinity and temperature from the waters where it began. |
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http://www.usm.maine.edu/maps/lessons/nr11b.htm
(876 words)
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| | Salinity Data |
| | See also: Major oceanographic program data available from NODC. | | | These data include measurements of salinity and temperature from thermosalinographs, bottom depth, wind speed and direction, atmospheric temperature, pressure and humidity, position and date/time. | | | Argo Daily Data - Argo daily data include real-time and delayed-mode profiles of ocean temperature and salinity (and conductivity, if any) measured by the Argo profiling floats. |
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http://www.nodc.noaa.gov/General/salinity.html
(240 words)
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| | ::Marine Habitat:: (Salinity) |
| | Our CTD sampling also indicated an upwelling of cold, highly saline water (shown in orange, between stations CIT-6 through CIT-9). | | | Since 1997 we have been measuring salinity in mid-summer across lower Cook Inlet. | | | Consequently, this area has relatively low salinity, as shown in green between stations CIT-1 through CIT-4. |
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http://www.absc.usgs.gov/research/seabird_foragefish/marinehabitat/what_we_learned/salinity_learned.html
(139 words)
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| | salinity of ocean water on Encyclopedia.com |
| | New study reports large-scale salinity changes in the oceans; Saltier tropical oceans and fresher ocean waters near the poles further signs of global climate change's impacts. | | | SALINITY OF OCEAN WATER [salinity of ocean water] see ocean. | | | Project Argo, a marine monitoring venture by the Southampton Oceanography Centre, has launched its 500th float to take readings of salinity and water temperature in seas around the world. |
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http://encyclopedia.infonautics.com/html/X/X-salinity.asp
(405 words)
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| | Maryland DNR - Chesapeake and Coastal Bays Water Quality Conditions |
| | The station marks the lower limit of the salinity transition zone, and is in the oligohaline zone (salinity 0.5 to 5 ppt). | | | This station is a mid-channel site located in the upper Chesapeake Bay, southeast of Gunpowder Neck. | | | The station has an approximate depth of 11 meters. |
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http://mddnr.chesapeakebay.net/bay_cond/bay_cond.cfm?Station=cb31&Param=sal
(180 words)
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| | SALINITY - Australia's Silent Flood |
| | This four part ABC documentary series examines the threat of salinity, from its ancient origins to its future forecasts. | | | You can own your own copy of Silent Flood |
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http://www.abc.net.au/learn/silentflood
(76 words)
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