Compositional measures versus total DOM concentration.

Measures include A) SUVA, specific ultraviolet absorbance at 255 nm, B) S 275-295 , spectral slope between 275 to 295nm, C) DOC:DON, and D) HSF; humic substances fraction. Colours represent geographical sampling locations (HZ: Lake Hazen Watershed, NU; DL: Daring Lake, NT; WK: Wekweètì, NT; YK: Yell...

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Bibliographic Details
Main Authors: Pieter J. K. Aukes (11105259), Sherry L. Schiff (495601)
Format: Still Image
Language:unknown
Published: 2021
Subjects:
Physiology
Evolutionary Biology
Ecology
Environmental Sciences not elsewhere classified
Biological Sciences not elsewhere classified
Chemical Sciences not elsewhere classified
drinking water quality
ultraviolet-visible light absorbance
DOM characterization techniques
Composition Wheel approach
Many DOM characterization methods
humic substances fraction
DOM composition
Canadian ecozones Dissolved
end-member Composition Wheel shapes
Principal component analyses
Yellowknife
Mackenzie River
Ela
Lake Hazen
Daring Lake
Black Brook
Wekweètì
Mackenzie river
Online Access:https://doi.org/10.1371/journal.pone.0253972.g002
Description
Summary:Measures include A) SUVA, specific ultraviolet absorbance at 255 nm, B) S 275-295 , spectral slope between 275 to 295nm, C) DOC:DON, and D) HSF; humic substances fraction. Colours represent geographical sampling locations (HZ: Lake Hazen Watershed, NU; DL: Daring Lake, NT; WK: Wekweètì, NT; YK: Yellowknife, NT; MR: Mackenzie River, NT; ELA: IISD-Experimental Lakes Area, ON; TLW: Turkey Lakes Watershed, ON; NW: Nottawasaga River Watershed, ON; GR: Grand River, ON; LP: Long Point, ON; BBK: Black Brook Watershed, ON) while shapes represent hydrologic environments. Light grey circles represent two other published DOM characterization studies conducted at similar scales [ 16 , 44 ].

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