Sharon Billings
@billingslab.bsky.social
Ecosystem scientist & biogeochemist studying how life changes the environment. d(CZ)/dt and isotopes make me happy.
Reposted by Sharon Billings
~ 7% global forests is plantation (young)
Young (Y) vs Old forests (O):
How do water + carbon (C) processes belowground differ?
Y: less streamflow & deep gw %
O: higher DOC + DIC; deep roots
Y&O: can have contrasting DOC CQ; consistent DIC dilution
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Young (Y) vs Old forests (O):
How do water + carbon (C) processes belowground differ?
Y: less streamflow & deep gw %
O: higher DOC + DIC; deep roots
Y&O: can have contrasting DOC CQ; consistent DIC dilution
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
January 9, 2026 at 5:37 PM
~ 7% global forests is plantation (young)
Young (Y) vs Old forests (O):
How do water + carbon (C) processes belowground differ?
Y: less streamflow & deep gw %
O: higher DOC + DIC; deep roots
Y&O: can have contrasting DOC CQ; consistent DIC dilution
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Young (Y) vs Old forests (O):
How do water + carbon (C) processes belowground differ?
Y: less streamflow & deep gw %
O: higher DOC + DIC; deep roots
Y&O: can have contrasting DOC CQ; consistent DIC dilution
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Reposted by Sharon Billings
🌟✨New paper: Check out our New Phytologist Tansley review on how changing precipitation patterns (changes in amount, intensity, & frequency of ppt already being observed due to climate change) affect soil organic matter dynamics.
nph.onlinelibrary.wiley.com/doi/epdf/10....
@ghezzehei.bsky.social
nph.onlinelibrary.wiley.com/doi/epdf/10....
@ghezzehei.bsky.social
December 22, 2025 at 6:54 PM
🌟✨New paper: Check out our New Phytologist Tansley review on how changing precipitation patterns (changes in amount, intensity, & frequency of ppt already being observed due to climate change) affect soil organic matter dynamics.
nph.onlinelibrary.wiley.com/doi/epdf/10....
@ghezzehei.bsky.social
nph.onlinelibrary.wiley.com/doi/epdf/10....
@ghezzehei.bsky.social
A whole team helped make this shine: Pamela Sullivan,
@lireactivewater.bsky.social
@hooriajami.bsky.social Daniel Hirmas, Jesse Nippert, Kamini Singha,
@hydrolejo.bsky.social Emma Aronson & the CZNetwork Geomicro team and many others! @cznews.bsky.social @aguadvances.bsky.social
@lireactivewater.bsky.social
@hooriajami.bsky.social Daniel Hirmas, Jesse Nippert, Kamini Singha,
@hydrolejo.bsky.social Emma Aronson & the CZNetwork Geomicro team and many others! @cznews.bsky.social @aguadvances.bsky.social
December 19, 2025 at 2:50 PM
A whole team helped make this shine: Pamela Sullivan,
@lireactivewater.bsky.social
@hooriajami.bsky.social Daniel Hirmas, Jesse Nippert, Kamini Singha,
@hydrolejo.bsky.social Emma Aronson & the CZNetwork Geomicro team and many others! @cznews.bsky.social @aguadvances.bsky.social
@lireactivewater.bsky.social
@hooriajami.bsky.social Daniel Hirmas, Jesse Nippert, Kamini Singha,
@hydrolejo.bsky.social Emma Aronson & the CZNetwork Geomicro team and many others! @cznews.bsky.social @aguadvances.bsky.social
Very excited for this to come out just after presenting it at #AGU25. We show how fine root presence reveals deep root-regolith interactions more accurately than biomass, using root abundance data from 75 soil pits in many ecosystem types.
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Contrasting Depth Dependencies of Plant Root Presence and Mass Across Biomes Underscore Prolific Root‐Regolith Interactions
Fine and coarse root presence or absence measurements in 75 deep soil profiles open an illuminating way to characterize root distributions Root presence depth distributions contrast with root mas...
agupubs.onlinelibrary.wiley.com
December 19, 2025 at 2:50 PM
Very excited for this to come out just after presenting it at #AGU25. We show how fine root presence reveals deep root-regolith interactions more accurately than biomass, using root abundance data from 75 soil pits in many ecosystem types.
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Reposted by Sharon Billings
New research from my group @parched-panama.bsky.social showing that rainforest drying suppresses root growth and biomass in surface soils, while stimulating deep root production! Let us know what you think!
doi.org/10.1111%2Fnp...
doi.org/10.1111%2Fnp...
November 24, 2025 at 4:45 PM
New research from my group @parched-panama.bsky.social showing that rainforest drying suppresses root growth and biomass in surface soils, while stimulating deep root production! Let us know what you think!
doi.org/10.1111%2Fnp...
doi.org/10.1111%2Fnp...
Reposted by Sharon Billings
Our new research analyzing high-frequency soil moisture data from 40 NEON sites across 17 US ecoregions reveals the widespread occurrence of Preferential Flow (PF) & its drivers across continental scale environmental gradients. Published in AGU's Geophysical Research Letters
doi.org/10.1029/2025...
doi.org/10.1029/2025...
Ubiquity and Causes of Soil Water Preferential Flow Across 17 Ecoregions
Preferential flow (PF) is ubiquitous across the USA and occurs in up to 60% of all rainfall events ≥2 mm Rainfall intensity, soil texture, and antecedent soil moisture emerge as critical in gener...
doi.org
October 10, 2025 at 11:47 AM
Our new research analyzing high-frequency soil moisture data from 40 NEON sites across 17 US ecoregions reveals the widespread occurrence of Preferential Flow (PF) & its drivers across continental scale environmental gradients. Published in AGU's Geophysical Research Letters
doi.org/10.1029/2025...
doi.org/10.1029/2025...
@hooriajami.bsky.social
@lireactivewater.bsky.social
@hydrolejo.bsky.social
Pamela Sullivan
Daniel Hirmas
Kamini Singha
Hang Wen
Aoesta Rudick
And of course the brilliant Annalise Guthrie herself
All fantastic colleagues for this project.
@lireactivewater.bsky.social
@hydrolejo.bsky.social
Pamela Sullivan
Daniel Hirmas
Kamini Singha
Hang Wen
Aoesta Rudick
And of course the brilliant Annalise Guthrie herself
All fantastic colleagues for this project.
October 3, 2025 at 2:08 PM
@hooriajami.bsky.social
@lireactivewater.bsky.social
@hydrolejo.bsky.social
Pamela Sullivan
Daniel Hirmas
Kamini Singha
Hang Wen
Aoesta Rudick
And of course the brilliant Annalise Guthrie herself
All fantastic colleagues for this project.
@lireactivewater.bsky.social
@hydrolejo.bsky.social
Pamela Sullivan
Daniel Hirmas
Kamini Singha
Hang Wen
Aoesta Rudick
And of course the brilliant Annalise Guthrie herself
All fantastic colleagues for this project.
We are so excited to share the results of this work! Annalise Guthrie’s hard work demonstrates how the loss and regeneration of deep roots can change the way deep soils are structured at a continental scale. This was such a joy to work on! @agu.org
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Deep Root Loss and Regeneration in the Anthropocene Drive Continental‐Scale Changes in Deep Soil Structure
Deep root dynamics imposed by land-use change are modifying deep soil structure at the continental scale well below zones of tillage As deep roots disappear, structural unit size increases and ro...
agupubs.onlinelibrary.wiley.com
October 2, 2025 at 8:34 PM
We are so excited to share the results of this work! Annalise Guthrie’s hard work demonstrates how the loss and regeneration of deep roots can change the way deep soils are structured at a continental scale. This was such a joy to work on! @agu.org
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
agupubs.onlinelibrary.wiley.com/doi/10.1029/...
Reposted by Sharon Billings
Excited to see this paper out! We used NEON data to explore the relationship between fine root and soil carbon stocks. With @sr-weino.bsky.social @katerinageorgiou.bsky.social @aaberhe.com @josephtumber.bsky.social @mingzhenlu.bsky.social et al. doi.org/10.1038/s432...
Fine root and soil carbon stocks are positively related in grasslands but not in forests - Communications Earth & Environment
A positive relationship between fine root carbon and soil organic carbon stocks is well established in grasslands, particularly at greater depths, but the relationship varies across forests, based on ...
doi.org
July 1, 2025 at 8:54 PM
Excited to see this paper out! We used NEON data to explore the relationship between fine root and soil carbon stocks. With @sr-weino.bsky.social @katerinageorgiou.bsky.social @aaberhe.com @josephtumber.bsky.social @mingzhenlu.bsky.social et al. doi.org/10.1038/s432...
I’m so sorry, Maria! I’m so glad she got to live out her years with such a loving family.
January 24, 2025 at 12:27 AM
I’m so sorry, Maria! I’m so glad she got to live out her years with such a loving family.
Reposted by Sharon Billings
New commentary paper out this week with @gruberte.bsky.social and Sara Warix in WRR - we argue that temperature overshoot has consequences for regional hydrology and water resources that bear consideration. agupubs.onlinelibrary.wiley.com/doi/full/10....
January 8, 2025 at 9:29 PM
New commentary paper out this week with @gruberte.bsky.social and Sara Warix in WRR - we argue that temperature overshoot has consequences for regional hydrology and water resources that bear consideration. agupubs.onlinelibrary.wiley.com/doi/full/10....
Reposted by Sharon Billings
Our new paper led by my postdoc
@jsacerot provides new insights
for sensitivity analysis of highly parameterized hydrologic models! Nice work Juan Acero Triana!
The dilemma of objective function selection for sensitivity and uncert... www.sciencedirect.com/science/arti...
@jsacerot provides new insights
for sensitivity analysis of highly parameterized hydrologic models! Nice work Juan Acero Triana!
The dilemma of objective function selection for sensitivity and uncert... www.sciencedirect.com/science/arti...
The dilemma of objective function selection for sensitivity and uncertainty analyses of semi-distributed hydrologic models across spatial and temporal scales
Semi-distributed hydrologic models have been extensively utilized for simulating watershed-scale hydrologic processes, given their fast execution time…
www.sciencedirect.com
December 17, 2024 at 3:27 PM
Our new paper led by my postdoc
@jsacerot provides new insights
for sensitivity analysis of highly parameterized hydrologic models! Nice work Juan Acero Triana!
The dilemma of objective function selection for sensitivity and uncert... www.sciencedirect.com/science/arti...
@jsacerot provides new insights
for sensitivity analysis of highly parameterized hydrologic models! Nice work Juan Acero Triana!
The dilemma of objective function selection for sensitivity and uncert... www.sciencedirect.com/science/arti...
Thank you! Could you add me as well?
December 11, 2024 at 1:52 PM
Thank you! Could you add me as well?
Reposted by Sharon Billings
Happy to be in DC for #AGU24! Lots of great talks from my students this week. Starting tomorrow (Monday) - if you're interested in snow ❄️ & fire 🔥 check out @akoshkin.bsky.social at 2:20 in rm 101. agu.confex.com/agu/agu24/me...
<em>Do wildfires’ impact on snow hydrology vary throughout the winter season? A high-resolution analysis of spatial and temporal variability of post-fire impacts on snowpack evolution.</em>
Wildfires can alter the energy balance of snow by clearing the canopy and shedd...
agu.confex.com
December 9, 2024 at 1:45 AM
Happy to be in DC for #AGU24! Lots of great talks from my students this week. Starting tomorrow (Monday) - if you're interested in snow ❄️ & fire 🔥 check out @akoshkin.bsky.social at 2:20 in rm 101. agu.confex.com/agu/agu24/me...
So excited for our lab at #AGU Come see Lola Klamm reveal how microbes 🦠 change soil structure and Ksat 💧(B43F-1619) and Rachel Keen explain how preferential flow 🌊 varies across space (H44B-05)! All with Pam Sullivan, Dan Hirmas, Li Li, @hooriajami.bsky.social @hydrolejo.bsky.social et al!
December 8, 2024 at 1:55 AM
So excited for our lab at #AGU Come see Lola Klamm reveal how microbes 🦠 change soil structure and Ksat 💧(B43F-1619) and Rachel Keen explain how preferential flow 🌊 varies across space (H44B-05)! All with Pam Sullivan, Dan Hirmas, Li Li, @hooriajami.bsky.social @hydrolejo.bsky.social et al!
Happy World Soils Day to all! ⛏️🏔️🌲🌳🪨💦🦠😊
December 5, 2024 at 8:05 PM
Happy World Soils Day to all! ⛏️🏔️🌲🌳🪨💦🦠😊
Do you investigate the critical zone using remote sensing as one of your tools? Consider submitting an abstract to our session @theAGU in December! tinyurl.com/mrad7me2
Projecting Whole-Critical Zone Functioning by Leveraging Remote Sensing Tools
The critical zone (CZ) extends from the top of the vegetation canopy into circulating groundwater, and is examined via diverse disciplines such as biology, geology, hydrology, geomorphology, pedology,...
tinyurl.com
June 14, 2024 at 5:23 PM
Do you investigate the critical zone using remote sensing as one of your tools? Consider submitting an abstract to our session @theAGU in December! tinyurl.com/mrad7me2
You'll work with Pam Sullivan, Kamini Singha, Hoori Ajami, Li Li, Leno Flores, Daniel Hirmas, Jesse Nippert and my labgroup to help understand these interactions across multiple biomes, and you'll have post-doc colleagues at multiple institutions.
May 17, 2024 at 2:29 AM
You'll work with Pam Sullivan, Kamini Singha, Hoori Ajami, Li Li, Leno Flores, Daniel Hirmas, Jesse Nippert and my labgroup to help understand these interactions across multiple biomes, and you'll have post-doc colleagues at multiple institutions.
We're searching for a post-doc to join our team of scientists at 7 universities! Come join our efforts to investigate how roots, rock, and regolith interact to govern water and carbon flows. tinyurl.com/KU-postdoc
May 17, 2024 at 2:27 AM
We're searching for a post-doc to join our team of scientists at 7 universities! Come join our efforts to investigate how roots, rock, and regolith interact to govern water and carbon flows. tinyurl.com/KU-postdoc
Reposted by Sharon Billings
This sky place just keeps getting better and better for ⚒️🧪 people, posts, and science-y discourse. So great to see
November 18, 2023 at 12:44 PM
This sky place just keeps getting better and better for ⚒️🧪 people, posts, and science-y discourse. So great to see