scholarly journals Effects of seawater exchange on water chemistry among coastal lakes with intermittent connections to the sea

2020 ◽  
Vol 244 ◽  
pp. 106934
Author(s):  
A. Challen Hyman ◽  
Dana Bigham Stephens
Keyword(s):  
Water Chemistry ◽  
Coastal Lakes ◽  
Seawater Exchange

scholarly journals The simplistic nitrogen input and output balance in Lake Łebsko – case study

2016 ◽  
Vol 45 (3) ◽  
Author(s):  
Roman Cieśliński
Keyword(s):  
Water Chemistry ◽  
Drainage Basin ◽  
Chemical Properties ◽  
Standard Pattern ◽  
Coastal Lakes ◽  
Lake Water Chemistry ◽  
Short Time ◽  
Physical And Chemical

AbstractThe paper is based on the hypothesis that coastal lakes significantly affect changes in the quality of freshwater coming from catchments, which is best reflected in the reduction of biogenic loads. Some of the main reasons for this phenomenon include unique geographic locations of coastal lakes and physical and chemical properties of their waters as well as other hydrographic determinants that affect water circulation in catchments. The study area covered the direct drainage basin of Lake Lebsko, which is located in Słowiński National Park in northern Poland, on the coast of the southern Baltic Sea. The study was conducted from June 2008 to October 2010. Fieldwork was the main part of the research project and included hydrographic mapping, water sampling for laboratory analysis, and measurement of the discharge in all tributaries and outflows of the studied lake. Water chemistry data for Lake Lebsko indicate a significant accumulation of biogenic materials in the lake, which proves a strong effect exerted by the lake on the incoming water. This is true for both total chemical loads per year as well as concentrations of selected ions over short time intervals. This standard pattern may be interrupted by seawater intrusions that alter water chemistry in the whole lake.

Spatiotemporal assessment of water chemistry in intermittently open/closed coastal lakes of Southern Baltic

2016 ◽  
Vol 182 ◽  
pp. 47-59 ◽  
Author(s):  
Aleksander M. Astel ◽  
Katarzyna Bigus ◽  
Krystian Obolewski ◽  
Katarzyna Glińska-Lewczuk
Keyword(s):  
Water Chemistry ◽  
Coastal Lakes ◽  
Southern Baltic

A limnological survey of the freshwater coastal lakes of east Gippsland, Victoria

1973 ◽  
Vol 24 (1) ◽  
pp. 1 ◽  
Author(s):  
BV Timms
Keyword(s):  
Water Chemistry ◽  
Chloride Ions ◽  
Coastal Dune ◽  
Limited Data ◽  
Coastal Lakes ◽  
Bicarbonate Ions ◽  
Dune Lakes ◽  
Littoral Invertebrates ◽  
Physical And Chemical ◽  
Limnological Survey

Eleven lakes were examined in varying degrees of intensity. For the largest two, Lakes Elusive and Barracoota, information is presented on physiography, major physical and chemical features, macrophytes, zooplankton, littoral invertebrates, benthos, and fish. Limited data, mainly on water chemistry and zooplankton, are given for the remaining lakes. The lakes are divisible into three groups. The four floodplain lagoons contain alkaline water dominated by sodium and bicarbonate ions. Zooplankton in each consists of Boeckella minuta, Thermocyclops hyalinus, and Daphnia lumholtzi, as well as a variety of other entomostracans. The coastal dune lakes have acid water dominated by sodium and chloride ions and a restricted zooplankton of one to three species, including Calarnoecia tasmanica. Compared with coastal dune lakes of southern Queensland, these are heterogenous in mode of origin, water chemistry, and zooplankton. Despite some similarities with dune lakes, Lake Barracoota is basically different. Its physiography suggests a recent marine origin which is confirmed by the presence of two isopods and a polychaete with marine affinities.

Formation of water chemistry in the Modonkul river under the action of mine drainage effluent

2020 ◽  
pp. 56-66
Author(s):  
Z. I. Khazheeva ◽  
S. S. Sanzhanova
Keyword(s):  
Water Chemistry ◽  
Mine Drainage ◽  
High Concentration ◽  
Catchment Basin ◽  
Sulfate Anion ◽  
Concentrated Flow ◽  
Sodium Calcium ◽  
Calcium Cation ◽  
Calcium Magnesium ◽  
The Town

The Dzhida ore field in the Zakamensk district of Buryatia features high concentration of mineralization within a small area. The Dzhida deposit is composed of complex ore. The ore field contains commercial-value primary deposits: Pervomai stockwork of molybdenum, Kholtoson tungsten lode and Inkur stockwork of tungsten. The Modonkul river catchment basin lies inside the Dzhida ore field. A real threat to the town of Zakamensk is created by manmade sand-bulk (old) tailings and slurry dump. By now, the concentrated flow of natural and man-made sand enters the low terrace and floodplain of the Modonkul river in the form of a talus train. This study is focused on the influence of the mine drainage effluent and the Inkur tributary on the water chemistry in the Modonkul river. 80 water samples were taken from the surface layer 0-0.5 m thick at five stations. Physicochemical indices of water were measured at the water sampling points, and the water chemistry was analyzed in a laboratory. In the background conditions, cations and anions in the Modonkul water chemistry range in decreasing order as follows: Са2+ > Mg2+ > Na++К+ и HCO - > SO 2- > Cl-. In the zone of mixture of natural and mine process water, the chemistry changes: from hydrocarbonate to sulfate (anion), from calcium-magnesium to sodium-calcium (cation). Downstream the natural chemistry changes to the hydrocabonate-sulfate composition, with prevailing content of calcium in cations. Iron content of water lowers 3-4 times after influx of mine effluents, while the contents of Mn, Zn, Co and Cd grow and then decrease downstream.

Water-chemistry data for selected springs, geysers, and streams in Yellowstone National Park Wyoming, 2001-2002

2005 ◽  
Author(s):  
R. Blaine McCleskey ◽  
James W. Ball ◽  
D. Kirk Nordstrom ◽  
JoAnn M. Holloway ◽  
Howard E. Taylor
Keyword(s):  
Water Chemistry ◽  
Yellowstone National Park ◽  
National Park ◽  
Chemistry Data
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