Gas Pressure Dynamics in Small and Mid-Size Lakes
Dissolved gases produce a gas pressure. This gas pressure is the appropriate physical quantity for judging the possibility of bubble formation and hence it is central for understanding exchange of climate-relevant gases between (limnic) water and the atmosphere. The contribution of ebullition has wi...
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doaj-6e1759d9a6da4241943aae2ee6f18be52021-07-15T15:48:31ZengMDPI AGWater2073-44412021-06-01131824182410.3390/w13131824Gas Pressure Dynamics in Small and Mid-Size LakesBertram Boehrer0Sylvia Jordan1Peifang Leng2Carolin Waldemer3Cornelis Schwenk4Michael Hupfer5Martin Schultze6Helmholtz-Centre for Environmental Research—UFZ, 39114 Magdeburg, GermanyLeibniz-Institute of Freshwater Ecology and Inland Fisheries—IGB, 12587 Berlin, GermanyHelmholtz-Centre for Environmental Research—UFZ, 39114 Magdeburg, GermanyHelmholtz-Centre for Environmental Research—UFZ, 39114 Magdeburg, GermanyHelmholtz-Centre for Environmental Research—UFZ, 39114 Magdeburg, GermanyLeibniz-Institute of Freshwater Ecology and Inland Fisheries—IGB, 12587 Berlin, GermanyHelmholtz-Centre for Environmental Research—UFZ, 39114 Magdeburg, GermanyDissolved gases produce a gas pressure. This gas pressure is the appropriate physical quantity for judging the possibility of bubble formation and hence it is central for understanding exchange of climate-relevant gases between (limnic) water and the atmosphere. The contribution of ebullition has widely been neglected in numerical simulations. We present measurements from six lacustrine waterbodies in Central Germany: including a natural lake, a drinking water reservoir, a mine pit lake, a sand excavation lake, a flooded quarry, and a small flooded lignite opencast, which has been heavily polluted. Seasonal changes of oxygen and temperature are complemented by numerical simulations of nitrogen and calculations of vapor pressure to quantify the contributions and their dynamics in lacustrine waters. In addition, accumulation of gases in monimolimnetic waters is demonstrated. We sum the partial pressures of the gases to yield a quantitative value for total gas pressure to reason which processes can force ebullition at which locations. In conclusion, only a small number of gases contribute decisively to gas pressure and hence can be crucial for bubble formation.https://www.mdpi.com/2073-4441/13/13/1824dissolved gasHenry lawtotal gas pressureebullitiongreenhouse gaseslacustrine waters |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Bertram Boehrer Sylvia Jordan Peifang Leng Carolin Waldemer Cornelis Schwenk Michael Hupfer Martin Schultze |
spellingShingle |
Bertram Boehrer Sylvia Jordan Peifang Leng Carolin Waldemer Cornelis Schwenk Michael Hupfer Martin Schultze Gas Pressure Dynamics in Small and Mid-Size Lakes Water dissolved gas Henry law total gas pressure ebullition greenhouse gases lacustrine waters |
author_facet |
Bertram Boehrer Sylvia Jordan Peifang Leng Carolin Waldemer Cornelis Schwenk Michael Hupfer Martin Schultze |
author_sort |
Bertram Boehrer |
title |
Gas Pressure Dynamics in Small and Mid-Size Lakes |
title_short |
Gas Pressure Dynamics in Small and Mid-Size Lakes |
title_full |
Gas Pressure Dynamics in Small and Mid-Size Lakes |
title_fullStr |
Gas Pressure Dynamics in Small and Mid-Size Lakes |
title_full_unstemmed |
Gas Pressure Dynamics in Small and Mid-Size Lakes |
title_sort |
gas pressure dynamics in small and mid-size lakes |
publisher |
MDPI AG |
series |
Water |
issn |
2073-4441 |
publishDate |
2021-06-01 |
description |
Dissolved gases produce a gas pressure. This gas pressure is the appropriate physical quantity for judging the possibility of bubble formation and hence it is central for understanding exchange of climate-relevant gases between (limnic) water and the atmosphere. The contribution of ebullition has widely been neglected in numerical simulations. We present measurements from six lacustrine waterbodies in Central Germany: including a natural lake, a drinking water reservoir, a mine pit lake, a sand excavation lake, a flooded quarry, and a small flooded lignite opencast, which has been heavily polluted. Seasonal changes of oxygen and temperature are complemented by numerical simulations of nitrogen and calculations of vapor pressure to quantify the contributions and their dynamics in lacustrine waters. In addition, accumulation of gases in monimolimnetic waters is demonstrated. We sum the partial pressures of the gases to yield a quantitative value for total gas pressure to reason which processes can force ebullition at which locations. In conclusion, only a small number of gases contribute decisively to gas pressure and hence can be crucial for bubble formation. |
topic |
dissolved gas Henry law total gas pressure ebullition greenhouse gases lacustrine waters |
url |
https://www.mdpi.com/2073-4441/13/13/1824 |
work_keys_str_mv |
AT bertramboehrer gaspressuredynamicsinsmallandmidsizelakes AT sylviajordan gaspressuredynamicsinsmallandmidsizelakes AT peifangleng gaspressuredynamicsinsmallandmidsizelakes AT carolinwaldemer gaspressuredynamicsinsmallandmidsizelakes AT cornelisschwenk gaspressuredynamicsinsmallandmidsizelakes AT michaelhupfer gaspressuredynamicsinsmallandmidsizelakes AT martinschultze gaspressuredynamicsinsmallandmidsizelakes |
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