Gerard Rocher-Ros @grocherros.bsky.social · 09/03/2026Ryan (and me) are hiring a PhD student! Sweden is a great country to do a PhD, see the link or ask us for more details, or share with potential students! 02128
Reposted by Gerard Rocher-RosCritical Zone News @cznews.bsky.social · 14/02/2026Our latest post to Substack. 🌐🧪bit.lyWater Tables Rewire Wetland Methane FateAt the edge of a wetland, the world is built in layers. 041
Reposted by Gerard Rocher-RosIceLab @icelabumu.bsky.social · 12/02/2026New @science.org paper shows early-2020s methane spike driven mostly by a temporary slowdown in the atmosphere’s methane removal and climate-boosted natural emissions. IceLab’s @grocherros.bsky.social helped quantify methane from running waters, improving understanding of the global methane budget. 152
Reposted by Gerard Rocher-RosDiego Riveros-Iregui @carbonshed.bsky.social · 19/10/2025Grateful to be part of this synthesis, led by Clément Duvert and Nick Marzolf. Nice to see this paper is finally out. www.nature.com/articles/s44...nature.comHydroclimate and landscape diversity drive highly variable greenhouse gas emissions from tropical and subtropical inland waters - Nature WaterThis meta-analysis assesses the rates and drivers of greenhouse gas emissions from flowing and standing (sub)tropical inland waters, finding that emissions are lower than previous estimates. Considera... 046
Gerard Rocher-Ros @grocherros.bsky.social · 05/09/2025My latest paper is now out in Limnology and Ocenography Letters @aslo.org, titled "Emerging patterns of CO2 : O2 dynamics in rivers and their link to ecosystem carbon processing". It is open access, so go read! I am mostly proud of this figure, which I spent a lot of hours figuring out how to do it 2237
Reposted by Gerard Rocher-RosJP Gannon @jpgannon.bsky.social · 23/06/2025Teach hydro modeling? Want to introduce modeling in an intro class? Check out this web-app, activities, and code (in case you want to spin off your own).. Thanks @jansei.bsky.social for working with me on this, which was inspired by his HBV-lite teaching software! dx.doi.org/10.1002/hyp....dx.doi.orgInteractive Learning in Hydrological Modelling With a Web‐Based ToolWe introduce a web-based tool to explore hydrological modeling in classrooms. The app can be run in any internet browser on a variety of devices. The app and code are available for free. We include m... 0278
Gerard Rocher-Ros @grocherros.bsky.social · 13/06/2025"Riparian Zone Heterogeneity Influences the Amount and Fate of Biodegradable Dissolved Organic Carbon at the Land-Water Interface", by Melissa Reidy and others, in @jgrbiogeo.bsky.social agupubs.onlinelibrary.wiley.com/doi/10.1029/...agupubs.onlinelibrary.wiley.com 041
Reposted by Gerard Rocher-RosIceLab @icelabumu.bsky.social · 27/05/2025IceLab Camp: FREE #TRAINING for #PhD students and #Postdocs eager to explore science across boundaries! Learn how to ask questions, craft interdisciplinary research proposals & have fun doing it. September 23–26 near Umeå Apply by June 9 www.umu.se/en/icelab/ca... #complexsystems #complexityschool 166
Reposted by Gerard Rocher-RosCarl T. Bergstrom @carlbergstrom.com · 10/05/20251. After getting some further insight into changes at NSF (thanks to those who reached out), I deleted a previous post where I tried to make sense of Cheatham's memo as reported in the Science story below.science.orgNSF slashes number of ‘rotators’ and well-paid managers as part of restructuringSmaller future budgets will require fewer people, NSF official tells staff 7312157
Gerard Rocher-Ros @grocherros.bsky.social · 22/04/2025Kriddie, after defending over a week ago, has a new paper out in WRR: "Carbon Emissions From Low-Order Streams in a Tropical, High-Elevation, Peatland Ecosystem Are Mediated by Catchment Morphology". Check it out! agupubs.onlinelibrary.wiley.com/doi/full/10....agupubs.onlinelibrary.wiley.comCarbon Emissions From Low‐Order Streams in a Tropical, High‐Elevation, Peatland Ecosystem Are Mediated by Catchment MorphologyPatterns of pCO2 and CO2 emissions in tropical, páramo streams are consistent and predictable Dense drainage networks compensate for narrow widths of small streams resulting in similar CO2 emissi... 040
Gerard Rocher-Ros @grocherros.bsky.social · 17/04/2025Today was the first field day in my ERC ARIMETH project! I installed a oxygen and water level sensor in Krycklan. It was a great field day, wearing t-shirt, sunny... But this is so wrong. Mid-april in northern Sweden means a thick snow cover, but this has been an abnormally warm and dry winter. 1141
Gerard Rocher-Ros @grocherros.bsky.social · 15/04/2025I had the pleasure to follow along Kriddie's PhD from the distance, and her work on carbon cycling in high altitude tropical streams. Now she's Dr. Kriddie! 080
Reposted by Gerard Rocher-RosEnrico Bertuzzo @enricobertuzzo.bsky.social · 11/04/2025Looking the get the most out of your stream CO2 data? Check out the coupled O2-CO2 model developed by Jake Diamond and me, out today in JGRB! The model extends the single-station O2 model by coupling DIC mass balance and carbonate buffering. agupubs.onlinelibrary.wiley.com/doi/10.1029/... 1147
Reposted by Gerard Rocher-RosLi Li (李黎) @lireactivewater.bsky.social · 31/03/2025eartharxiv.org/repository/v... Can we develop a global #deeplearning #model for daily Soil CO2 efflux? Results show - #LSTM models can use existing data to generate synthetic data for temperate mesic regions - challenges of transferring relationships learned from data-rich to data-poor sites 1134
Reposted by Gerard Rocher-RosKinarNicholas.bsky.social @kinarnicholas.bsky.social · 26/03/2025Hydrology Paper of the Day @smanderson.bsky.social on climate change in coastal wetlands: how tree species are affected by salinity pulses due to saltwater intrusion; species-specific responses and impacts; leaf spectral reflectance changes related to NDVI and PRI; and greenhouse experiments. 143
Reposted by Gerard Rocher-RosJarrett Byrnes @jebyrnes.bsky.social · 20/03/2025OK, #causalinference #ecology folk - my paper with the even excellent @lauradee.bsky.social on causal inference with observational data is now out in Ecology Letters! 🌍🧪🌊 onlinelibrary.wiley.com/doi/full/10....onlinelibrary.wiley.comCausal Inference With Observational Data and Unobserved Confounding VariablesAs ecology tackles progressively larger problems, we are moving beyond the scales at which randomised controlled experiments are feasible. Using observational data for causal inference raises the pro... 49828
Reposted by Gerard Rocher-RosTamlin Pavelsky @globalhydro.bsky.social · 19/03/2025Do you work on lakes globally? Check out what is, to my mind, the most complete global database of lakes (~6M) and associated attributes, newly published in WRR. Also the basis for SWOT lake data. agupubs.onlinelibrary.wiley.com/doi/full/10.... 49635
Reposted by Gerard Rocher-RosNatalia (娜塔莉) @wrycritic.bsky.social · 08/03/2025Happy International Women's Day! Despite the efforts, while much more women enter scientific fields, due to numerous factors, few manage to remain in the field or secure senior positions. Support your coworkers, call out harmful systemic behaviour. 😘 3544166
Reposted by Gerard Rocher-RosRyan Sponseller @ryansponseller.bsky.social · 05/03/2025We are hiring a postdoc at Umeå University in aquatic ecosystem ecology. See the link for details! www.umu.se/en/work-with... @grocherros.bsky.socialumu.sePostdoc (2 years) in aquatic ecosystem ecology 02126
Reposted by Gerard Rocher-RosAU Freshwater Ecology @freshwaterau.bsky.social · 03/03/2025Your model is your hypothesis. So, why not use multiple of them? Championed by Feldbauer & Mesman, in our fresh-off-the-press paper we highlight the performance of temperature models across the globe, and discuss the path forward to get better projections! hess.copernicus.org/articles/29/...hess.copernicus.orgLearning from a large-scale calibration effort of multiple lake temperature modelsAbstract. Process-based lake temperature models, formulated on hydrodynamic principles, are commonly used to simulate water temperature, enabling one to test different scenarios and draw conclusions a... 0198
Reposted by Gerard Rocher-RosDavid Ho @davidho.bsky.social · 27/02/2025One of the people fired from NOAA today is the director of the Ocean Acidification Program. That program also leads the U.S. government's effort on marine carbon dioxide removal (mCDR). The destruction of American science is incomprehensible.oceanacidification.noaa.govHome - NOAA Ocean Acidification ProgramNOAA's Ocean Acidification Program prepares us for the impacts of ocean acidification through research and interdisciplinary partnerships. 17053032437
Gerard Rocher-Ros @grocherros.bsky.social · 24/02/2025Interesting article by Yi and others: "Principles for guiding future research on resilience and tipping points" iopscience.iop.org/article/10.1... 084
Reposted by Gerard Rocher-RosKatharine Hayhoe @katharinehayhoe.com · 21/02/2025‼️The US-based @ipcc.bsky.social technical support unit (TSU) for Working Group 3 Co-Chairs has been terminated, and the US won’t be attending next week’s IPCC meeting where the AR7 chapter outlines will be approved. More by @afreedma.bsky.social here:axios.comScoop: U.S. delegation pulled from key U.N. climate science meetingThe IPCC meeting in China is slated to determine the content in the group's next series of reports. 43655482
Reposted by Gerard Rocher-RosIceLab @icelabumu.bsky.social · 14/02/2025#PhDposition #Extension news - you now have until March 3rd to apply to the Stress Response Modeling research school's five PhD positions! #phdsky www.umu.se/en/icelab/ca...umu.seStress Response Modeling PhD PositionsThe Integrated Science Lab (IceLab) jointly with several departments at Umeå University offer multiple PhD positions that will be connected to different multidisciplinary projects. The ideal candidat... 051
Gerard Rocher-Ros @grocherros.bsky.social · 12/02/2025I'm starting to build DIY CO2+CH4 measurement devices and I came across this kind of neat air-water equilibrator, EQSphere. Anyone heard of this before and has experience with it? eqsphere.com 230
Reposted by Gerard Rocher-RosGabrielle Beans @gabbybeans.bsky.social · 10/02/2025A friend of mine has a personal contact with Alabama representatives and will send a personal message regarding #NIH #indirect funding cuts. She is looking for personal stories of the effects of science funding cuts on individual people, particularly if they are in Alabama! Share, I'll pass them.media.tenor.coman older man with a beard and mustache says tell me everythingALT: an older man with a beard and mustache says tell me everything 1610460
Gerard Rocher-Ros @grocherros.bsky.social · 07/02/2025Position still open for applications. If computational skills are low but creativity is high, you're still encouraged to apply! 155
Reposted by Gerard Rocher-RosNature Portfolio @natureportfolio.nature.com · 05/02/2025Analysis of the confined crowds at the San Fermín festival in Spain shows that dense crowds can self-organize into macroscopic chiral oscillators, coordinating the orbital motion of hundreds of individuals without external guidance, according to a paper in Nature. go.nature.com/3WKkb8r 🧪 111528
Reposted by Gerard Rocher-RosIceLab @icelabumu.bsky.social · 06/02/2025Do you have computational modeling skills and an interest in understanding how plants respond to stress? There is a #FundedPhD for you at IceLab in Umeå University! Work with @mrosvall.bsky.social, Åsa Strand and Ludvig Lizana. Apply by Feb 16 www.umu.se/en/work-with... #plantsci #complex #phdsky 22115
Reposted by Gerard Rocher-RosIceLab @icelabumu.bsky.social · 06/02/2025Do you have #computational modeling skills and an interest in #immune system dynamics? There is a #FundedPhD for you at IceLab in Umeå University! Work with @mrosvall.bsky.social, Johan Normark & Mattias Forsell. Apply by Feb 16 www.umu.se/en/work-with... #ML #complex #phdsky #mathmodeling #stress 032
Reposted by Gerard Rocher-RosIceLab @icelabumu.bsky.social · 06/02/2025Have #computational modeling skills & interest in ecological communities' response to #climate stress? There's a #FundedPhD for you at IceLab with @elibbyscience.bsky.social @mrosvall.bsky.social & Rubén Bernardo Madrid. Apply by Feb 16 www.umu.se/en/work-with... #netsci #complex #phdsky #ecoevo 025
Reposted by Gerard Rocher-RosWojciech Uszko @wojciechuszko.bsky.social · 03/02/2025A postdoc opening at Umeå University! The assessment of long-term Fennoscandian monitoring data to predict future trajectories of northern lake productivity umustipendie.varbi.com/en/what:job/...umustipendie.varbi.comPostdoctoral scholarship (2 years) - The assessment of long-term Fennoscandian monitoring data to predict future trajectories of northern lake productivityThe Department of Ecology and Environmental Science is offering a postdoctoral scholarship focusing on understanding global change impacts on essential elements in northern lakes and the potential thr 057
Reposted by Gerard Rocher-RosCarl T. Bergstrom @carlbergstrom.com · 31/01/2025This is not business as usual. It’s not just a change in funding priorities going forward; it is the reneging on funding agreements and is profoundly disruptive for even those grants that will be found to be compliant. Meanwhile, trainees who often live paycheck to paycheck are going unpaid.science.orgEXCLUSIVE: NSF starts vetting all grants to comply with Trump’s ordersGrantee accounts remain frozen, while union accuses NSF of ignoring rules governing peer review 151012425
Reposted by Gerard Rocher-RosRicard Solé @ricardsole.bsky.social · 05/01/2025My drawing below illustrates the importance of spatial ecology for stability: if we ignore space, it's like everyone dancing on the tip of a pin. When space is included (and complex dynamics, too), diversity is easily sustained. 15717
Reposted by Gerard Rocher-RosHilary McMillan @mcmillanhydro.bsky.social · 14/01/2025Interested in headwater streams? Headwaters make up 77% of global river networks, but have fewer gauges, less accurate models and lesser protections than large rivers. See our review led by @goldenwater.bsky.social at www.nature.com/articles/s44...nature.comAdvancing the science of headwater streamflow for global water protection - Nature WaterDespite their substantial contributions to watershed resilience, headwater streams are becoming increasingly imperilled. This Perspective summarizes the status of headwater streamflow information and ... 33910
Gerard Rocher-Ros @grocherros.bsky.social · 24/01/2025"Abrupt transformation of west Greenland lakes following compound climate extremes associated with atmospheric rivers". This new article in PNAS by Jasmine Saros and colleague Vendy Hazuková is pretty striking www.pnas.org/doi/full/10.... 0196
Reposted by Gerard Rocher-RosRobin Rohwer @robinrohwer.bsky.social · 22/01/2025Today is the one-year anniversary of finishing my recent @naturemicrobiol.bsky.social paper's final draft 📝. It is also my son's 1st birthday 🐣. Seems like a good time for an explainer thread! (1/n) @archaeal.bsky.social @quendi.bsky.social @sarilog.bsky.social www.nature.com/articles/s41...nature.comTwo decades of bacterial ecology and evolution in a freshwater lake - Nature MicrobiologyA 471-metagenome time series from Lake Mendota in Wisconsin, USA, reveals seasonal and decadal shifts in bacterial functional and ecological dynamics, especially in response to environmental extremes. 13210
Gerard Rocher-Ros @grocherros.bsky.social · 23/01/2025We have a new paper out! During my stay in Blanes, Susana Bernal led this great work: "Expanding towards contraction: the alternation of floods and droughts as a fundamental component in river ecology", now published in Biogeochemistry link.springer.com/article/10.1... 1187
Reposted by Gerard Rocher-RosChaopeng Shen @chaopengshen.bsky.social · 22/01/2025I won't come here empty-handed. Our paper “Sensitivity-Constrained Fourier Neural Operators for Forward and Inverse Problems” has been accepted into ICLR 2025 main, a premier AI conference. Stay tuned for the paper --- will make some minimum edits for the camera-ready version! 122
Reposted by Gerard Rocher-RosIceLab @icelabumu.bsky.social · 13/01/2025As of January 1st, Stress Response Modeling at IceLab has officially welcomed @grocherros.bsky.social as a new Assistant professor! Read more about Gerard: www.umu.se/en/feature/r... #complexsystems #ecology #environmentalscience #climatechange #carbonflowsumu.seFrom land to sea with a focus on the climateGerard Rocher-Ros wants to understand the flow of carbon and nutrients to find solutions to climate change. 173
Gerard Rocher-Ros @grocherros.bsky.social · 14/01/2025I'm hiring, two fully funded PhD positions! Come work in Umeå in Arctic Sweden, a leading place for high-latitude ecosystem ecology and carbon biogeochemistry 29279
Reposted by Gerard Rocher-Rosclydecia2020.bsky.social @clydecia2020.bsky.social · 09/01/2025Check out our new paper where we zoom in to the boreal forests to investigate aboveground and belowground trait coordination across a large number of species. www.nature.com/articles/s41...nature.comAboveground and belowground trait coordination across twelve boreal forest tree species - Scientific ReportsScientific Reports - Aboveground and belowground trait coordination across twelve boreal forest tree species 0189
Reposted by Gerard Rocher-RosScience Magazine @science.org · 27/12/2024A study of 2.9 million rivers worldwide reveals large shifts in global river flow patterns over the past 30 years. The results emphasize the critical yet changing role of upstream rivers in flood dynamics and the far-reaching consequences for both natural and human systems.scim.agMore flow upstream and less flow downstream: The changing form and function of global riversWe mapped daily streamflow from 1984 to 2018 in approximately 2.9 million rivers to assess recent changes to global river systems. We found that river outlets were dominated by significant decreases in flow, whereas headwaters were 1.7 times more likely... 011151
Gerard Rocher-Ros @grocherros.bsky.social · 21/12/2024The sun barely peeks above the horizon in the winter solstice in Umeå - but we still have homegrown tomatoes at latitude 63! 1100
Gerard Rocher-Ros @grocherros.bsky.social · 20/12/2024In January I'm starting as an Assistant Professor in Ecosystem Ecology, and will be part of @icelabumu.bsky.social ! IceLab is an interdisciplinary center with an open and stimulating environment, and being there is my dream job. Now we are starting a research school with multiple PhDs available 👇 3163
Reposted by Gerard Rocher-RosGlobal Ecology 🌐 @global-ecology.bsky.social · 13/12/2024Daily streamflow from 1984 to 2018 in approximately 2.9 million rivers globally. 👉 The numbers set the play! More flow upstream and less flow downstream. 👉 The title says it all! Incredible dataset on the hydrosphere awaiting to be crossed with biosphere data! 🧪🌐🌍 www.science.org/doi/10.1126/...science.orgMore flow upstream and less flow downstream: The changing form and function of global riversWe mapped daily streamflow from 1984 to 2018 in approximately 2.9 million rivers to assess recent changes to global river systems. We found that river outlets were dominated by significant decreases i... 03614
Reposted by Gerard Rocher-RosPermafrost Pathways @permafrostpathways.bsky.social · 13/12/2024Closing out our #AGU24, Zoë Dietrich @woodwellclimate.bsky.social presented results from the autonomous monitoring chambers she builds to measure methane and carbon dioxide in #Arctic ponds and wetlands! Read more background here: www.woodwellclimate.org/zoe-dietrich... B51D - Convention Center Awoodwellclimate.orgDIY science: Building a Floating Methane Chamber - Woodwell ClimateResearch Assistant Zoë Dietrich engineered her own methane chambers to help climate scientists better understand global carbon fluxes. 183
Reposted by Gerard Rocher-RosDr. Merritt Rae Turetsky @queenofpeat.bsky.social · 10/12/2024I presented my #AGU24 talk this morning and wanted to summarize my take homes. 20 yrs ago I created the Alaska Peatland Experiment (APEX) to experimentally push hydrology into wetter and drier modes. CO2 emissions are remarkable stable while CH4 is very high with flooding. 1/ 417733
Reposted by Gerard Rocher-RosJacquelyn Gill @jacquelyngill.bsky.social · 11/12/2024There are about 27,000 scientists at #AGU24, and about half of them work on climate one way or another. Whenever I walk into a room like this, I always take a moment to take it all in—all these people dedicated their lives to working on some of our toughest problems. That gives me strength. 21764129