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Warming climate prompts harmful oxygen loss in lakes（图）
气候变暖 湖泊 有害氧气流失
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2023/5/18
Rondaxe Lake in Herkimer County, New York, represents classic Adirondack Park waters. But over the last quarter-century, Rondaxe – like thousands of lakes in temperate zones around the world – has bee...
Seasonal Variations of Oxygen-18 in Soil Moisture and Estimation of Recharge in Esker and Moraine Formations
Seasonal Variations Oxygen-18 Soil Moisture Moraine Formations
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2009/10/28
The use of Oxygen-18 as a natural tracer of soil moisture and estimation of
recharge in different types of soils is presented and discussed. The 8 values ~f
180 in summer and winter precipitation in...
Oxygen Depletion in the Kattegat
Oxygen Depletion Kattegat
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2009/10/27
A mathematical model driven by meteorological forcing and sea level
differences has been established in order to describe the water exchange and
vertical mixing in the Kattegat and Sams0 Belt.
The ...
Modelling Water Exchange and Transit Times in Till Basins Using Oxygen-18
Water Exchange Transit Times Till Basins Oxygen-18
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2009/10/27
The application of hydrological models to data on conservative tracers can
yield information about transit times and storage volumes and may provide an
independent test of the model structure.In thi...
Estimation of Canopy Reservoir Capacity and Oxygen-18 Fractionation in Throughfall in a Pine Forest
Canopy Reservoir Capacity Oxygen-18 Fractionation Pine Forest
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2009/10/27
Amount and oxygen-18 content of rainfall and throughfall have been monitored
in a pine forest in Uppsala during summer 1983. It is found that the free
throughfall coefficient, C, the canopy reservoi...
Sulphur and Oxygen Isotopes Behaviour in Sulphates of Atmospheric Ground water System Observations and Model
Sulphur Oxygen Isotopes Behaviour Atmospheric Ground water System
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2009/10/26
Comparison of sulphate concentrations in groundwaters and atmospheric precipitation
suggests that about 30 % of groundwater sulphate may be of atmospheric
origin. Another source of sulphate ion is t...
Assessment of Spatial Variability of Major-Ion Concentrations and DEL Oxygen-18 Values in Surface Snow,Upper Fremont Glacier,Wyoming,U.S.A.
Spatial Variability Major-Ion Concentrations DEL Oxygen-18 Values
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2009/10/26
One hundred samples were collected from the surface of the Upper Fremont
Glacier at equally spaced intervals defined by an 8,100 m 2 snow grid to assess
the significance of lateral variability in ma...
Oxygen Isotope and Ionic Concentrations in Glacier River Water:Multi-Year Observations inthe Austre Okstindbreen Basin,Norway
Oxygen Isotope Ionic Concentrations Glacier River
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2009/10/26
Austre Okstindbreen, the largest glacier of the Okstindan area, Norway, covers
about 14 km2 within a drainage basin of 22.5 km2. Each year, about one third of
the discharge of the glacier river resu...
Changes of Ionic and Oxygen Isotopic Composition of the Snowpack at the Glacier Austre Okstindbreen,Norway,1995
Oxygen Isotopic Composition Snowpack Glacier Austre Okstindbreen
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2009/10/23
Marked vertical variations of ions and oxygen isotopes were present in the
snowpack at the glacier Austre Okstindbreen during the pre-melting phase in
1995 at sites between 825 m and 1,470 m above s...
STABLE OXYGEN ISOTOPE HYDROLOGY AND SLOW BASIN RESPONSE IN AN OLD-GROWTH FORESTED CATCHMENT, WOLF RIVER BASIN, WISCONSIN
Oxygen isotope streamflow Red Rivers
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2009/10/12
Oxygen isotope variations of the Wolf and Red Rivers, Wisconsin are very small (1 to 5 ‰ variation) compared to those of local meteoric precipitation (25 ‰ variation), with behavior that may be modele...
Relationship between dissolved oxygen concentration of bottom water and macrophyte biomass in the southern basin of Lake Biwa, Japan
dissolved oxygen submerged macrophyte southern basin of Lake Biwa
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2009/4/2
The horizontal distribution of dissolved oxygen (DO) concentrations on the lake bottom was investigated on September 2-5, 2002. At 36 out of the 84 sites, DO concentrations were at less than 50% of sa...
Consequences of the 2003 European heat wave for lake temperature profiles, thermal stability, and hypolimnetic oxygen depletion: Implications for a warmer world
oxygen depletion thermal stability
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2014/4/30
In summer 2003 central Europe suffered an unusually severe heat wave, with air temperatures similar to those predicted for an average summer during the late 21st century. We use a unique set of over h...
Oxygen dynamics in the rhizosphere of Zostera marina: A two-dimensional planar optode study
Zostera Oxygen dynamics
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2014/5/4
The oxygen dynamics in the rhizosphere of Zostera marina was studied by use of planar optodes. Oxygen leakage to the rhizosphere was restricted to the root tip and extended only up to ~8 mm up along t...