1
1 Introduction
Organic matter (OM) in water is composed of two major fractions: dissolved
and non-dissolved, defined on the basis of the isolation technique using filters
(0.1–0.7 μm). Dissolved organic matter (DOM) is the fraction of organic substances that passes the filter, while particulate organic matter (POM) remains on
the filter (Danielsson 1982; Kennedy et al. 1974; Liu et al. 2007; Mostofa et al.
2009a). DOM is generally originated from three major sources: (i) allochthonous
Dissolved Organic Matter in Natural Waters
K. M. G. Mostofa et al. (eds.), Photobiogeochemistry of Organic Matter,
Environmental Science and Engineering, DOI: 10.1007/978-3-642-32223-5_1,
© Springer-Verlag Berlin Heidelberg 2013
Khan M. G. Mostofa, Cong-qiang Liu, M. Abdul Mottaleb, Guojiang Wan,
Hiroshi Ogawa, Davide Vione, Takahito Yoshioka and Fengchang Wu
K. M. G. Mostofa (*) · C. Q. Liu · G. Wan
State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry,
Chinese Academy of Sciences, Guiyang 550002, China
e-mail: mostofa@vip.gyig.ac.cn
M. A. Mottaleb
Center for Innovation and Entrepreneurship (CIE), Department of Chemistry/Physics,
Northwest Missouri State University, 800 University Drive, Maryville, MO 64468, USA
H. Ogawa
Atmospheric and Ocean Research Institute, The University of Tokyo, 1-15-1, Minamidai,
Nakano, 164-8639 Tokyo, Japan
D. Vione
Dipartimento di Chimica Analitica, University of Turin, I-10125 Turin, Italy
Centro Interdipartimentale NatRisk, I-10095 Grugliasco (TO), Italy
T. Yoshioka
Field Science Education and Research Center, Kyoto University, Kitashirakawa Oiwake-cho,
Sakyo-ku, Kyoto 606-8502, Japan
F. C. Wu
State Environmental Protection Key Laboratory of Lake Pollution Control, Chinese Research
Academy of Environmental Sciences, Chaoyang 100012, China
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