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The Global Lake Ecological Observatory Network (GLEON) is supported in part by the National Science Foundation (NSF) under Grant Number DBI RCN 0639229 and MSB 1137327, 1137353 and other generous donors. This blog receives technical support from the Center for Limnology (CFL) at University of Wisconsin-Madison and Cary Institute of Ecosystem Studies. Any information, opinions, findings, and conclusions or recommendations expressed in this blog are those of the individual author(s) and do not necessarily reflect the views of NSF, CFL, Cary Institute, GLEON or GLEON Student Association (GSA).
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Project to Advance Understanding of Carbon Dioxide Emissions from Lakes

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By Blaize Denfeld

During the GLEON 18 meeting last summer, the lake metabolism working group started the week by discussing the current state of knowledge of greenhouse gas (GHG) emissions from inland waters – it is evident that inland waters play an important role in the global carbon cycle, emitting both carbon dioxide (CO2) and methane (CH4) into the atmosphere. As new scientific research is published and advancements in technology are made, as scientists, we can fill gaps and improve our scientific understanding. One such gap identified by the lake metabolism working group was the potential sampling bias in greenhouse gas emission estimates from lakes, since most estimates are made during the day. Inspired by the current EuroRun project— a Collaborative European Freshwater Science Project for Young Researchers that focuses on estimating CO2 fluxes from European running waters— and thanks to relatively inexpensive technological advancements in GHG emission measurements, the DC Flux (diurnal CO2 flux variation across latitudinal gradients) project was born. (more…)

A Note from Newly Appointed GSA Leader Blaize Denfeld

Photo: Blaize Denfeld under ice lake research. Source: Blaize Denfield.

GSA co-chair elect Blaize Denfield conducting under ice lake research in Sweden.

By Blaize Denfeld

I gratefully accepted a recent appointment as co-chair elect of the Global Lake Ecological Observatory Network (GLEON) Graduate Student Association (GSA), the newest member of the GSA leadership team, joining GSA chair, Jennie Brentrup (Miami University, USA) and co-chair Facundo Scordo (Universidad Nacional del Sur, Argentina). One of my first assignments is to briefly introduce myself to the GLEON community. (more…)

SAFER Students Work Project: a Sampling of the Diversity of Research Interests

By Paula Costilla, Paula Zapperi and Facundo Scordo

SAFER (Sensing the Americas’ Freshwater Ecosystem Risk from Climate Change) is an inter-American, interdisciplinary network integrated by researchers, students and technology support. Geology, biology, paleolimnology, hydrometeorology, physical limnology and social sciences are all applied as tools for the evaluation of project objectives, and this diversity is reflected in the SAFER student projects.

Most of the SAFER students have participated in one or more Global Lake Ecological Observatory Network (GLEON) meetings, and since they will attend GLEON 16, this article is focused on their present research interests.

Gráfico1 (more…)