Ryan (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!

Ryan Sponseller@ryansponseller.bsky.social · 5mo ago

We are hiring a PhD student at Umeå University to work on GHG dynamics in boreal streams and groundwater. See the following advertisement and reach out with any questions! www.umu.se/en/work-with... @grocherros.bsky.social

Our latest post to Substack. 🌐🧪

Water Tables Rewire Wetland Methane Fate

At the edge of a wetland, the world is built in layers.

bit.ly

New @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.

Grateful 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...

Hydroclimate and landscape diversity drive highly variable greenhouse gas emissions from tropical and subtropical inland waters - Nature Water

This 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...

nature.com

My 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

Teach 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....

Interactive Learning in Hydrological Modelling With a Web‐Based Tool

We 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...

dx.doi.org

"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/...

IceLab 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

1. 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.

NSF slashes number of ‘rotators’ and well-paid managers as part of restructuring

Smaller future budgets will require fewer people, NSF official tells staff

science.org

Kriddie, 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....

Carbon Emissions From Low‐Order Streams in a Tropical, High‐Elevation, Peatland Ecosystem Are Mediated by Catchment Morphology

Patterns 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...

agupubs.onlinelibrary.wiley.com

Today 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.

I 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!

Amanda Gay DelVecchia@agdelv.bsky.social · last yr.

Dr. Kriddie Whitmore's defense: carbon fluxes throughout the stream and wetland network in the Páramo of Ecuador. If you seek an invincible, thoughtful, versatile, productive, and creative postdoc, I could not recommend anyone better. Read more: amandadelvecchia.weebly.com/lab-news/new...

Looking 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/...

eartharxiv.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

First experience with fractal objects

Hydrology 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.

Steve Anderson@smanderson.bsky.social · 2y ago

New article: “Leaf Physiological Responses & Early Senescence Are Linked to Reflectance Spectra in Salt-Sensitive Coastal Tree Species.” Red Maple is a good candidate for indicating salt stress in coastal wetlands exposed to 0.5-6ppt seawater. www.mdpi.com/1999-4907/15...

OK, #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....

Causal Inference With Observational Data and Unobserved Confounding Variables

As 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...

onlinelibrary.wiley.com

Do 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....

Happy 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. 😘

We are hiring a postdoc at Umeå University in aquatic ecosystem ecology. See the link for details! www.umu.se/en/work-with... @grocherros.bsky.social

Postdoc (2 years) in aquatic ecosystem ecology

umu.se

Your 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/...

Learning from a large-scale calibration effort of multiple lake temperature models

Abstract. 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...

hess.copernicus.org

One 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.

Home - NOAA Ocean Acidification Program

NOAA's Ocean Acidification Program prepares us for the impacts of ocean acidification through research and interdisciplinary partnerships.

oceanacidification.noaa.gov

Interesting article by Yi and others: "Principles for guiding future research on resilience and tipping points" iopscience.iop.org/article/10.1...

‼️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:

Scoop: U.S. delegation pulled from key U.N. climate science meeting

The IPCC meeting in China is slated to determine the content in the group's next series of reports.

axios.com

#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...

Stress Response Modeling PhD Positions

The 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...

umu.se

IceLab@icelabumu.bsky.social · 2y ago

Hello! We are IceLab (Integrated Science Lab) at Umeå University. We take a modelling approach for causal understanding and connect researchers from different disciplines for the love of launching and landing new ideas. We also have a fish tank. 🐟 #complexsystems #interdisiplinaryscience #whimsy

I'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

A 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.

an older man with a beard and mustache says tell me everything

ALT: an older man with a beard and mustache says tell me everything

media.tenor.com

Position still open for applications. If computational skills are low but creativity is high, you're still encouraged to apply!

IceLab@icelabumu.bsky.social · last yr.

Have #computational modeling skills & an interest in understanding how ecosystems respond to climate stress? #FundedPhD for you at IceLab with @grocherros.bsky.social, Ryan Sponseller and @mrosvall.bsky.social Apply by Feb 16 www.umu.se/en/work-with... #climate #complex #phdsky #carbon #ecosky

Analysis 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. https://go.nature.com/3WKkb8r 🧪

Do 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