Breadcrumb
Organic Matter Spectroscopy Lab
Breadcrumb
Image: Boulder Reservoir byÌý
We measure the amount and character of dissolved organic matter from diverse ecosystems, especially aquatic ones. We often combine our labÌýdata with field-scale experiments and modelingÌýto understand of the interactions between hydrologic, chemical and biological processes in controlling the dynamics of these systems.
Diane McKnight
Director
Lane Allen
PhD student
Natalie Aranda
Grad student
Jared Collins
Grad student
Lauren Magliozzi
​Grad student
Mia Vanderwilt
​Grad student
- Nayoung Hur, MS 2022
- Garrett Rue, PhD 2019
- Alia Lauren Khan, NSF Graduate Research Fellow
- Maggie Burns, MA 2014 in Geography; now Hydrologist
- Rachel Gabor, PhD 2013 in Environmental Studies
- Jessica Ebert, MS 2012
Contact & services
Major equipment includes
- Shimadzu TOC analyzer
- Antec 9000 DON analyzer
- Agilent 8453 spectrophotometer
- FluroMax2 fluorometer
- fractionation columns
- Ulter-filtration
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News
Rivers in Alaska are turning orange. The reason surprised even scientists (CNN)
A new paper by a team of USGS and CU Boulder scientists is mentioned in this news story on rivers and streams in Alaska changing color. The streams are turning from blue to rusty orange because of toxic metals released by thawing permafrost and leaching into stream water. Read more
Colorado's streams are being loaded with toxic heavy metals (Newsweek)
Colorado's mountain streams are facing a "real challenge" from a rising concentration of heavy metal levels. These rising levels are only worsening with climate change, a new study found. Read more
Warming climate is putting more metals into Colorado’s mountain streams
Warming temperatures are causing a steady rise in copper, zinc and sulfate in the waters of Colorado mountain streams affected by acid rock drainage. Concentrations of these metals have roughly doubled in these alpine streams over the past 30 years, a new study finds, presenting a concern for ecosystems, downstream water quality and mining remediation. Read more
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Publications
Publications for McKnight are shown below
CU Boulder Authors:
All Authors:
Published in: Johnson K; Jankowski KJ; Carey JC; Sethna LR; Bush SA; McKnight D; McDowell WH; Wymore AS; Kortelainen P; Jones JB...
- Johnson K
- Jankowski KJ
- Carey JC
- Sethna LR
- Bush SA
- McKnight D
- McDowell WH
- Wymore AS
- Kortelainen P
- Jones JB
Publication Date: 2024-09-01
Type: Journal Article
CU Boulder Authors:
All Authors:
Published in: Johnson K; Jankowski KJ; Carey J; Lyon NJ; Mcdowell WH; Shogren A; Wymore A; Sethna L; Wollheim WM; Poste AE...
- Johnson K
- Jankowski KJ
- Carey J
- Lyon NJ
- Mcdowell WH
- Shogren A
- Wymore A
- Sethna L
- Wollheim WM
- Poste AE
Publication Date: 2024-06-01
Type: Journal Article
CU Boulder Authors:
All Authors:
Kohler TJ; Singley JG; Wlostowski AN; McKnight DM
Published in: Publication Date: 2023-12-01
Type: Journal Article
CU Boulder Authors:
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All Authors:
Singley JG; Salvatore MR; Gooseff MN; McKnight DM; Hinckley E-LS
Published in: Publication Date: 2023-09-01
Type: Journal Article
CU Boulder Authors:
All Authors:
Jones MM; Runkel RL; Mcknight DM
Published in: Publication Date: 2023-09-01
Type: Journal Article
CU Boulder Authors:
All Authors:
Published in: Jankowski KJ; Johnson K; Sethna L; Julian P; Wymore AS; Shogren AJ; Thomas PK; Sullivan PL; Mcknight DM; Mcdowell WH...
- Jankowski KJ
- Johnson K
- Sethna L
- Julian P
- Wymore AS
- Shogren AJ
- Thomas PK
- Sullivan PL
- Mcknight DM
- Mcdowell WH
Publication Date: 2023-09-01
Type: Journal Article
CU Boulder Authors:
All Authors:
Watson KE; McKnight DM
Published in: Publication Date: 2023-06-01
Type: Journal Article
CU Boulder Authors:
All Authors:
Egan JK; McKnight DM; Bowman MM; SanClements MD; Gallo AC; Hatten JA; Matosziuk LM
Published in: Publication Date: 2023-04-01
Type: Journal Article
CU Boulder Authors:
; ;
All Authors:
Bush SA; Birch AL; Warix SR; Sullivan PL; Gooseff MN; McKnight DM; Barnard HR
Published in: Publication Date: 2023-02-01
Type: Journal Article
CU Boulder Authors:
All Authors:
Published in: Zoumplis A; Kolody B; Kaul D; Zheng H; Venepally P; McKnight DM; Takacs-Vesbach C; DeVries A; Allen AE...
- Zoumplis A
- Kolody B
- Kaul D
- Zheng H
- Venepally P
- McKnight DM
- Takacs-Vesbach C
- DeVries A
- Allen AE
Publication Date: 2023-01-23
Type: Journal Article
CU Boulder Authors:
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All Authors:
Published in: Chin Y-P; McKnight DM; D'Andrilli J; Brooks N; Cawley K; Guerard J; Perdue EM; Stedmon CA; Tratnyek PG; Westerhoff P...
- Chin Y-P
- McKnight DM
- D'Andrilli J
- Brooks N
- Cawley K
- Guerard J
- Perdue EM
- Stedmon CA
- Tratnyek PG
- Westerhoff P
Publication Date: 2023-01-01
Type: Journal Article
CU Boulder Authors:
All Authors:
Sherwell S; Kalra I; Li W; McKnight DM; Priscu JC; Morgan-Kiss RM
Published in: Publication Date: 2022-12-01
Type: Journal Article
CU Boulder Authors:
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All Authors:
Torrens CL; Gooseff MN; McKnight DM
Published in: Publication Date: 2022-07-01
Type: Journal Article
CU Boulder Authors:
All Authors:
Cotner JB; Powers SM; Sadro S; McKnight D
Published in: Publication Date: 2022-06-01
Type: Journal Article
CU Boulder Authors:
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All Authors:
Gooseff MN; McKnight DM; Doran PT; Fountain A
Published in: Publication Date: 2022-06-01
Type: Journal Article
CU Boulder Authors:
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All Authors:
Published in: Gaiser EE; Kominoski JS; McKnight DM; Bahlai CA; Cheng C; Record S; Wollheim WM; Christianson KR; Downs MR; Hawman PA...
- Gaiser EE
- Kominoski JS
- McKnight DM
- Bahlai CA
- Cheng C
- Record S
- Wollheim WM
- Christianson KR
- Downs MR
- Hawman PA
Publication Date: 2022-04-01
Type: Journal Article
CU Boulder Authors:
All Authors:
Schulte NO; Khan AL; Smith EW; Zoumplis A; Kaul D; Allen AE; Adams BJ; McKnight DM
Published in: Publication Date: 2022-02-01
Type: Journal Article
CU Boulder Authors:
; ;
All Authors:
Kohler TJ; Howkins A; Sokol ER; Kopalova K; Cox A; Darling JP; Gooseff MN; McKnight DM
Published in: Publication Date: 2021-12-01
Type: Journal Article
CU Boulder Authors:
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All Authors:
Bush S; Barnard H; Birch A; Gooseff M; McKnight D
Publication Date: 2021-11-04Type: Journal Article
CU Boulder Authors:
All Authors:
Rue GP; McKnight DM
Published in: Publication Date: 2021-11-02
Type: Journal Article
CU Boulder Authors:
All Authors:
Petach TN; Runkel RL; Cowie RM; McKnight DM
Published in: Publication Date: 2021-11-01
Type: Journal Article
CU Boulder Authors:
;
All Authors:
Torrens CL; Gooseff MN; McKnight DM
Publication Date: 2021-10-02Type: Journal Article
CU Boulder Authors:
All Authors:
Straight BJ; Castendyk DN; McKnight DM; Newman CP; Filiatreault P; Pino A
Published in: Publication Date: 2021-09-01
Type: Journal Article
CU Boulder Authors:
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All Authors:
Matula EE; Nabity JA; McKnight DM
Published in: Publication Date: 2021-08-24
Type: Journal Article
CU Boulder Authors:
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All Authors:
Khan AL; Sokol ER; McKnight DM; Saunders JF; Hohner AK; Summers RS
Published in: Publication Date: 2021-07-30
Type: Journal Article