Gesa Weyhenmeyer
Professor at Institutionen för ekologi och genetik; Limnologi
- Telephone:
- +46 18 471 27 11
- E-mail:
- Gesa.Weyhenmeyer@ebc.uu.se
- Visiting address:
- Evolutionsbiologiskt centrum (EBC)
Norbyvägen 18 D
752 36 Uppsala - Postal address:
- Norbyvägen 18 D
752 36 Uppsala
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Short presentation
Gesa Weyhenmeyer is a Professor of Aquatic Biogeochemistry and member of the Royal Swedish Academy of Sciences. She is a Distinguished University Teacher with a passion to understand how lakes on Earth respond to a rapidly changing global environment. Much of her research is carried out within the Global Lake Ecological Observatory Network (GLEON). More information is available at http://weyhenmeyer.weebly.com
Biography
Information is available at http://weyhenmeyer.weebly.com
Publications
Recent publications
- Anoxia begets anoxia (2024)
- Widespread variation in salt tolerance within freshwater zooplankton species reduces the predictability of community-level salt tolerance (2023)
- Diel, seasonal, and inter-annual variation in carbon dioxide effluxes from lakes and reservoirs (2023)
- Carbon dioxide reduction by photosynthesis undetectable even during phytoplankton blooms in two lakes (2023)
- Plastic debris in lakes and reservoirs (2023)
All publications
Articles
- Anoxia begets anoxia (2024)
- Widespread variation in salt tolerance within freshwater zooplankton species reduces the predictability of community-level salt tolerance (2023)
- Diel, seasonal, and inter-annual variation in carbon dioxide effluxes from lakes and reservoirs (2023)
- Carbon dioxide reduction by photosynthesis undetectable even during phytoplankton blooms in two lakes (2023)
- Plastic debris in lakes and reservoirs (2023)
- Blooms also like it cold (2023)
- Sediment Records Shed Light on Drivers of Decadal Iron Concentration Increase in a Boreal Lake (2022)
- Current water quality guidelines across North America and Europe do not protect lakes from salinization (2022)
- Lake salinization drives consistent losses of zooplankton abundance and diversity across coordinated mesocosm experiments (2022)
- Global increase in methane production under future warming of lake bottom waters (2022)
- Long-term ice phenology records spanning up to 578 years for 78 lakes around the Northern Hemisphere (2022)
- Urbanization in developing countries overrides catchment productivity in fueling inland water CO2 emissions (2022)
- Towards critical white ice conditions in lakes under global warming (2022)
- Winter inverse lake stratification under historic and future climate change (2022)
- The lake as an iron sink - new insights on the role of iron speciation (2021)
- Increasing maximum lake surface temperature under climate change (2021)
- Widespread deoxygenation of temperate lakes (2021)
- Climate change drives widespread shifts in lake thermal habitat (2021)
- Global data set of long-term summertime vertical temperature profiles in 153 lakes (2021)
- Loss of Ice Cover, Shifting Phenology, and More Extreme Events in Northern Hemisphere Lakes (2021)
- Phenological shifts in lake stratification under climate change (2021)
- A New Thermal Categorization of Ice-Covered Lakes (2021)
- Global Climate (2020)
- Lake surface temperature (2020)
- Summary of a workshop on extreme weather events in a warming world organized by the Royal Swedish Academy of Sciences (2020)
- A simplified approach to detect a significant carbon dioxide reduction by phytoplankton in lakes and rivers on a regional and global scale (2020)
- Scientists’ Warning to Humanity (2020)
- Disruptions and re-establishment of the calcium-bicarbonate equilibrium in freshwaters (2020)
- Groundwater carbon within a boreal catchment (2020)
- Diverse drivers of long-term pCO2 increases across thirteen boreal lakes and streams (2020)
- Deeper waters are changing less consistently than surface waters in a global analysis of 102 lakes (2020)
- Increased winter drownings in ice-covered regions with warmer winters (2020)
- Paired O2-CO2 measurements provide emergent insights into aquatic ecosystem function (2020)
- State of the Climate in 2018 (2019)
- The unique methodological challenges of winter limnology (2019)
- Interactions between the atmosphere, cryosphere, and ecosystems at northern high latitudes (2019)
- Phytoplankton gross primary production increases along cascading impoundments in a temperate, low-discharge river (2019)
- Environmental conditions for phytoplankton influenced carbon dynamics in boreal lakes (2019)
- Consequences of lake and river ice loss on cultural ecosystem services (2019)
- Mechanistic model identifies increasing light availability due to sea ice reductions as cause for increasing macroalgae cover in the Arctic (2019)
- Colored organic matter increases CO2 in meso-eutrophic lake water through altered light climate and acidity (2019)
- Widespread loss of lake ice around the Northern Hemisphere in a warming world (2019)
- Warmer and browner waters decrease fish biomass production (2019)
- Widespread diminishing anthropogenic effects on calcium in freshwaters (2019)
- Substantial increase in minimum lake surface temperatures under climate change (2019)
- State of the Climate in 2017 (2018)
- Global change-driven effects on dissolved organic matter composition (2018)
- A lake classification concept for a more accurate global estimate of the dissolved inorganic carbon export from terrestrial ecosystems to inland waters (2018)
- Ten simple rules for collaboratively writing a multi-authored paper (2018)
- CO2 evasion from boreal lakes (2018)
- Snapshot Surveys for Lake Monitoring, More Than a Shot in the Dark (2018)
- Acid rain — a strong external driver that has suppressed water colour variability between lakes (2018)
- Carbon dioxide and methane emissions of Swedish low-order streams (2018)
- Lake surface temperature [in “State of the Climate in 2017”] (2018)
- Widespread Increases in Iron Concentration in European and North American Freshwaters (2017)
- Ecology under lake ice (2017)
- No long-term trends in pCO2 despite increasing organic carbon concentrations in boreal lakes, streams and rivers (2017)
- Large differences between carbon and nutrient loss rates along the land to ocean aquatic continuum-implications for energy:nutrient ratios at downstream sites (2017)
- Citizen science shows systematic changes in the temperature difference between air and inland waters with global warming (2017)
- Lake surface temperature [in "State of the Climate in 2016"] (2017)
- Current Browning of Surface Waters Will Be Further Promoted by Wetter Climate (2016)
- Regional Variability and Drivers of Below Ice CO2 in Boreal and Subarctic Lakes (2016)
- Constraints on methane oxidation in ice-covered boreal lakes (2016)
- Modeling nonlinear responses of DOC transport in boreal catchments in Sweden (2016)
- Automatic High Frequency Monitoring for Improved Lake and Reservoir Management (2016)
- Methane oxidation at the water-ice interface of an ice-covered lake (2016)
- Sensitivity of freshwaters to browning in response to future climate change (2016)
- Diel Surface Temperature Range Scales with Lake Size (2016)
- Lake surface temperatures (2016)
- Temporal and spatial carbon dioxide concentration patterns in a small boreal lake in relation to ice cover dynamics (2015)
- Impact of TiO2 nanoparticles on freshwater bacteria from three Swedish lakes (2015)
- Rapid and highly variable warming of lake surface waters around the globe (2015)
- A global database of lake surface temperatures collected by in situ and satellite methods from 1985–2009 (2015)
- Temporal control on concentration, character and export of dissolved organic carbon in two hemiboreal headwater streams draining contrasting catchments (2015)
- Significant fraction of CO2 emissions from boreal lakes derived from hydrologic inorganic carbon inputs (2015)
- Sunlight-induced carbon dioxide emissions from inland waters (2014)
- Controls of dissolved organic matter quality (2014)
- Hourly, daily, and seasonal variability in the absorption spectra of chromophoric dissolved organic matter in a eutrophic, humic lake (2014)
- Increasing algal biomass in Lake Vänern despite decreasing phosphorus concentrations (2014)
- Browning of Boreal Freshwaters Coupled to Carbon-Iron Interactions along the Aquatic Continuum (2014)
- Intra-annual variability of organic carbon concentrations in running waters (2014)
- Inner filter correction of dissolved organic matter fluorescence (2013)
- Water renewal along the aquatic continuum offsets cumulative retention by lakes (2013)
- Shifts in phytoplankton species richness and biomass along a latitudinal gradient (2013)
- Extreme events, trends, and variability in Northern Hemisphere lake-ice phenology (1855-2005) (2012)
- Long-term changes in physical and chemical conditions of nutrient-poor lakes along a latitudinal gradient (2012)
- Evaluating pharmaceuticals and caffeine as indicators of fecal contamination in drinking water sources of the Greater Montreal region (2012)
- Neglected sources of pharmaceuticals in river water (2012)
- Forestry Influence by Stump Harvest and Site Preparation on Methylmercury, Total Mercury and Other Stream Water Chemistry Parameters Across a Boreal Landscape (2012)
- Effects of stratification depth and dissolved organic matter on brackish bacterioplankton communities (2012)
- Effects of weather-related episodic events in lakes (2012)
- Temperature as a driver for the expansion of the microalga Gonyostomum semen in Swedish lakes (2012)
- Selective decay of terrestrial organic carbon during transport from land to sea (2012)
- Carbon Dioxide in Boreal Surface Waters (2012)
- Increasing Dissolved Organic Carbon Redefines the Extent of Surface Water Acidification and Helps Resolve a Classic Controversy (2011)
- An automated method to monitor lake ice phenology (2011)
- Past and Future Changes in Arctic Lake and River Ice (2011)
- Arctic Freshwater Ice and Its Climatic Role (2011)
- Effects of Changes in Arctic Lake and River Ice (2011)
- Large geographical differences in the sensitivity of ice-covered lakes and rivers in the Northern Hemisphere to temperature changes (2011)
- Seasonal variations in the occurrence and fate of basic and neutral pharmaceuticals in a Swedish river-lake system (2010)
- Winter accumulation of acidic pharmaceuticals in a Swedish river (2010)
- Nitrogen and carbon interactions between boreal soils and lakes (2010)
- Nitrogen deposition induced changes in DOC:NO3-N ratios determine the efficiency of nitrate removal from freshwaters (2010)
- Lakes as sentinels of climate change (2009)
- Growing season variability of nitrate along a trophic gradient (2009)
- Climate change and the future of freshwater biodiversity in Europe (2009)
- Lakes and reservoirs as regulators of carbon cycling and climate (2009)
- Increasing dissimilarity of water chemical compositions in a warmer climate (2009)
- Do warmer winters change variability patterns of physical and chemical lake conditions in Sweden? (2009)
- Nonlinear response of dissolved organic carbon concentrations in boreal lakes to increasing temperatures (2009)
- Thirty-five years of synchrony in the organic matter concentrations of Swedish rivers explained by variation in flow and sulphate (2008)
- Natural variability in lake pH on seasonal, interannual and decadal time scales (2008)
- Silicon load and the development of diatoms in three river-lake systems in countries surrounding the Baltic Sea (2008)
- Abrupt changes in air temperature and precipitation (2008)
- Water chemical changes along a latitudinal gradient in relation to climate and atmospheric deposition (2008)
- Rates of change in physical and chemical lake variables - are they comparable between large and small lakes? (2008)
- Increasingly ice-free winters and their effects on water quality in Sweden's largest lakes (2008)
- Large-scale climatic signatures in lakes across Europe (2007)
- Adapting regional eutrophication targets for surface waters - influence of the EU water framework directive national policy and climate change (2007)
- Nitrate-depleted conditions on the increase in shallow northern European lakes (2007)
- The role of spatial scale and area in determining richness-altitude gradients in Swedish lake phytoplankton communities (2006)
- Systematic differences in the trend towards earlier ice-out on Swedish lakes along a latitudinal temperature gradient (2005)
- Atmospheric circulation and its impact on ice phenology in Scandinavia (2004)
- Synchrony in relationships between the North Atlantic Oscillation and water chemistry among Sweden's largest lakes (2004)
- Nonlinear temperature response of lake ice breakup (2004)
- Effects of an extreme precipitation event on water chemistry and phytoplankton in the Swedish Lake Malaren (2004)
- Seasonality of chlorophyll and nutrients in Lake Erken - effects of weather conditions (2003)
- Response of phytoplankton in European lakes to a change in the North Atlantic Oscillation (2002)
- Hypolimnetic lake sediments in frequent motion (2001)
- Changes of the plankton spring outburst related to the North Atlantic Oscillation (1999)
- Resuspension in lakes and its ecological impact (1998)
- Quantitative relationships between planktonic biomass and organic/inorganic resuspended particle matter. (1998)
- Quantification of resuspended particles in sedimentation traps. (1997)
- A validated model for daily variations in the flux, origin, and distribution of settling particles within lakes (1997)
- The influence of stratification on the amount and distribution of different settling particles in Lake Erken (1996)
- SIMPLE METHOD TO QUANTIFY SOURCES OF SETTLING PARTICLES IN LAKES - RESUSPENSION VERSUS NEW SEDIMENTATION OF MATERIAL FROM PLANKTONIC PRODUCTION (1995)
- HIGH-RESOLUTION MEASUREMENTS OF SEDIMENT RESUSPENSION ABOVE AN ACCUMULATION BOTTOM IN A STRATIFIED LAKE (1994)
- High-frequency monitoring of colored dissolved organic matter (CDOM) fluorescence in the Swedish river Hedströmmen
Books
Chapters
- High Mountain Areas (2019)
- Environmental Impacts—Freshwater Biogeochemistry (2015)
- Changing lake and river ice regimes (2011)
- The impact of changing climate on the thermal characteristics of lakes (2010)
- The impact of climate change on lakes in northern Europe (2010)
- The impact of the changing climate on the flux of dissolved organic carbon from catchments (2010)
- Regional and supra-regional coherence in limnological variables (2010)
- Lake ice phenology (2010)
- The impact of the changing climate on seasonal dynamics of phytoplankton (2010)
- Lakes of Europe (2009)
- The response of freshwater ecosystems to climate variability asscociated with the North Atlantic Oscillation (2003)
Conferences
- Seasonal variations in carbon dioxide emissions from lakes and streams (2011)
- Year to year differences in the temperature regime below the ice cover in Lake Erken during the last ten years (1998)
- Modelling lake sedimentation: The significance of the partitioning coefficient (1993)
Reports
- Konsekvenser för sötvattnen av ändrad utlakning från skogs- och jordbruksmark inkluderande ändringar i grundvatten orsakade av klimatpåverkad hydrologi och temperatur (2009)
- Sårbarheten på ytvattenkvalitén (2007)
- Mörkare sjöar ger förändrad biologi (2007)
- Klimatförändringarnas påverkan på vattenkvalitén (2006)
- Long-term supra-regional coherence (2005)
- Changes in phytoplankton species composition and functional groups (2005)
- Hur fort förändrar sig sjöarnas vattenkvalité i Sverige på grund av klimatförändringar? (2005)
- Vilken biologi kan vi förvänta oss i kalkade vatten - använding av SOM metoden (2005)
- Automatiska mätningar av löst organiskt material i Mälarens inflöden (2005)
- Klimat och vattenstånd under 2004 (2005)
- Long-term regional coherence (2004)
- Short-term coherence (2004)
- Vättern och dess tillflöden (2004)
- Report on phytoplankton growth patterns (2004)
- Miljövervakning i Mälaren 2003 (2004)
- Klimat och vattenstånd under 2003 (2004)
- Miljöövervakning i Mälaren 2003. Sammanfattning (2004)
- Vättern och dess tillflöden (2003)
- Miljöövervakning i Mälaren 2002 (2003)
- Sedimentens bidrag till fosforbelastningen i Mälaren (2003)
- Klimat och vattenstånd under 2002 (2003)
- Sedimentens bidrag till fosforbelatningen i Mälaren. Sammanfattning (2003)
- Miljöövervakning i Mälaren 2002. Sammanfattning (2003)
- Miljöövervakning i Mälaren 2001 (2002)
- Klimat och vattenstånd under 2001 (2002)
- Mälaren har blivit brun (2002)
- Mälarens grumlighet och vattenfärg - långsiktiga och kortsiktiga trender 1965-2001 (2002)
- Klimat och vattenstånd 2001 (2002)
- Miljöövervakning i Mälarens fjärdar och sund 2000 (2001)
- Vättern och dess tillflöden 2000 (2001)
- Varmare vintrar - ökad risk för algblomning i svenska sjöar (2001)
- Klimat och vattenstånd under 2000 (2001)
- Miljöövervakning i Mälarens fjärdar och sund 1999 (2000)
- Vättern och dess tillflöden 1999 (2000)
- Samordning av miljöövervakningen i de stora sjöarna (2000)
- Klimatpåverkan (2000)
- Lake Erken and Lake Mälaren (2000)
- Klimat och vattenstånd 1999 (2000)
- Mälarvattnets fysikalisk-kemiska tillstånd (2000)
- Lake Erken (1999)
- Lake Erken and Lake Mälaren (1999)
- Undersökning av Nyköpingsfjärdarnas bottensediment med avseende på fosforformer och porvattnets näringsämneshalter (1997)
Data sets
Other
