Identification

Title

Dissolved organic carbon fluxes of seven watersheds in a bog forest ecosystem at Calvert Island, British Columbia, Canada (2104)

Abstract

Scientific report on catchment responses and organic carbon fluxes for seven rivers draining into Kwakshua Channel (Calvert Island, BC, Canada) for a summer and early fall rain event in 2014. The coastal temperate rainforest of western British Columbia is a major store of carbon and an important contributor to the global carbon cycle. The flux of dissolved organic carbon from wetland-dominated soils is of vital importance for coastal freshwater and marine ecosystems. The objective of this study was to investigate the relation between discharge, DOC concentration and organic carbon flux for seven wetland and bog forest dominated watersheds for a summer and early fall rain event. Stream water samples were taken along the rising and falling limb of the event hydrographs at the outlets of all seven watersheds and analyzed for DOC concentration. Stream DOC concentration increased along the rising limb and decreased back to a stable concentration under base flow conditions. The relation between discharge and flux of organic carbon was characterized by hysteresis; there was a delay in peak carbon flux compared to peak discharge for all studied watersheds. The amount of organic carbon exported over the course of a rain event was directly related to the fraction of rain exported as runoff. Total event organic carbon load for six out of seven watersheds was 233 kg km-2 for the summer event and 204 kg km-2 for the early fall event. The export of organic carbon per day was twice as high for the shorter and more intensive early fall event than the summer event.

Resource type

dataset

Resource locator

https://hecate.hakai.org/auth/access-request.php#

protocol: WWW:LINK-1.0-http--link

name: Hakai Data Access Online Request Form

description: Online form for requesting access to particular datasets owned by Hakai

https://drive.google.com/open?id=1VoS3DQvDkm5mOzSzhUoD1bf7_qdf_NrH

protocol: WWW:LINK-1.0-http--link

applicationProfile: Scientific report on catchment responses and organic carbon fluxes for seven rivers draining into Kwakshua Channel (Calvert Island, BC, Canada) for a summer and early fall rain event in 2014.

name: Dissolved organic carbon fluxes of seven watersheds in a bog forest ecosystem at Calvert Island, British Columbia, Canada

description: Dissolved organic carbon fluxes of seven watersheds in a bog forest ecosystem at Calvert Island, British Columbia, Canada

function: download

Unique resource identifier

code

codeSpace

Dataset language

eng

Spatial reference system

code identifying the spatial reference system

Classification of spatial data and services

Topic category

inlandWaters

Keywords

Keyword set

keyword value

freshwater

catchment response

discharge

DOC

dissolved organic carbon

Kwakshua Channel

flux

stream

river

watershed

rain

hydrology

hydrograph

carbon

Geographic location

West bounding longitude

-128.17701209

East bounding longitude

-127.92157996

North bounding latitude

51.73507366

South bounding latitude

51.62096599

Temporal reference

Temporal extent

Begin position

2014-08-01

End position

2014-09-30

Dataset reference date

date type

publication

effective date

2016-01-29

Frequency of update

notPlanned

Quality and validity

Lineage

Conformity

Data format

name of format

PDF

version of format

adobe

Constraints related to access and use

Constraint set

Use constraints

Appropriate credit must be given to Hakai Institute and the authors of the dataset.

Responsible organisations

Responsible party

organisation name

Hakai Institute

full postal address

1002 Wharf Street - Suite 100

Victoria

V8W1T4

telephone number

+1 (250) 590 3306

email address

data@hakai.org

responsible party role

pointOfContact

Responsible party

organisation name

Hakai Institute

email address

maartje.korver@hakai.org

responsible party role

author

Metadata on metadata

Metadata point of contact

organisation name

Hakai Institute

email address

responsible party role

author

Metadata date

2018-10-17T18:38:10

Metadata language

eng