448
K. M. G. Mostofa et al.
Fluorescent components
Components identified and sources
Fluorescence properties
References
Peak C-region
Peak A-region Peak T-region Peak T
UV -region
Peak C
Peak M
p
Peak M
Peak W
Major
Minor
EX/Em (nm)
Fulvic acid (C-like)?, Horsens
Estuary, Jutland Peninsula,
Denmark RU
Component 2,
allochthonous
385/504
–
–
–
250/504
–
–
–
Stedmon and
Markager (2005b)
Fulvic acid (C-like)?, Estuary
of Horsens Fjord,
Denmark RU
Component 3,
allochthonous
360/478
–
–
–
270/478
–
–
–
Stedmon et al. (2003)
Fulvic acid (C-like), coastal
shelf, South Atlantic Bight
Component 1,
allochthonous
Peak′
–
–
–
250/452
–
–
–
Kowalczuk
et al. (2009)
Fulvic acid (C-like)?, Bay
waters, Barataria Basin
(Louisiana, USA) RUc
Allochthonous
410/520
–
–
–
250/520
–
–
–
Singh et al. (2010)
Fulvic acid (C-like), Bay
waters, Barataria Basin
(Louisiana, USA) RUc
Component 1,
allochthonous
340/440
–
–
–
250/440
–
–
–
Singh et al. (2010)
Fulvic acid (C-like)?, ground
water, fresh and Florida
Bay waters, Florida coastal
Everglades
Component 6,
allochthonous
Peak′
–
–
–
Peak′
–
–
–
Chen et al. (2010)
Fulvic acid-like?, glacial ice
samples, Antarctic and
Arctic Ocean
Component 3,
autochthonous
Peak′
–
–
–
<250/446
–
–
–
Dubnick et al. (2010)
Fulvic acid-like (C-like)?,
water extractable from
sugar maple leaves
Component 5
315/429
–
–
–
Peak′
–
–
–
Hunt et al. (2008)
Photobleached fulvic acid
(C-like), Yellow River, China
(3 h sunlight irradiation)
Component 1
–
300–305/449 –
–
250/449
–
–
–
Mostofa KMG et al.,
(unpublished data)
Table 2 (contniued)
(contniued)