Development of a portable laser-induced fluorescence system used for in situ measurements of dissolved organic matter

被引：25

作者：

Chen, Peng ^{[1
,2
]}

Pan, Delu ^{[1
,2
]}

Mao, Zhihua ^{[2
]}

机构：

[1] Wuhan Univ, State Key Lab Informat Engn Surveying Mapping & R, Wuhan 430072, Peoples R China

[2] State Ocean Adm, Inst Oceanog 2, State Key Lab Satellite Ocean Environm Dynam, Hangzhou 310012, Zhejiang, Peoples R China

来源：

OPTICS AND LASER TECHNOLOGY | 2014年 / 64卷

基金：

美国国家科学基金会;

关键词：

Lasers; Fluorescence spectroscopy; Dissolved organic matter; CHLOROPHYLL-A; OIL-SPILL; SEA; PHYTOPLANKTON; WATER; CDOM; FLUOROMETRY; ABSORPTION; EXCITATION; SEAWATER;

D O I：

10.1016/j.optlastec.2014.05.021

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A portable laser-induced fluorescence system (total weight about 1.7 kg) has been developed for detecting the level of dissolved organic matter in water. The portable system consists of a high pulse repetition frequency (10-kHz) microchip laser at 405 nm, a reflective fluorescent probe and a broadband micro spectrometer. The stability and sensitivity of the new instrument were studied. The detection limit of this new instrument was 0.75 ug/L, and its baseline drift was only 0.45% per hour. Field results showed that the portable system can work as well as commercial laboratory spectrophotometers. A significant correlation (R-2=0.96) was found between measurements taken by the new instrument and thoses measured by laboratory spectrophotometer. In addtion, influence of temperature variation on measurements by the new instrument was investigated. The portable system is promising for monitoring dissolved organic matter in water, especially in the field. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：213 / 219

页数：7

共 44 条

[1] Identifying spatial structure in phytoplankton communities using multi-wavelength fluorescence spectral data and principal component analysis [J].

Alexander, Ryan ;

Gikuma-Njuru, Peter ;

Imberger, Joerg .

LIMNOLOGY AND OCEANOGRAPHY-METHODS, 2012, 10 :402-415

[2]

Arrigo KR, OLDENDORF MARINE ECO, P207

[3] REMOTE-SENSING OF PHYTOPLANKTON USING LASER-INDUCED FLUORESCENCE [J].

BABICHENKO, S ;

PORYVKINA, L ;

ARIKESE, V ;

KAITALA, S ;

KUOSA, H .

REMOTE SENSING OF ENVIRONMENT, 1993, 45 (01) :43-50

[4] Fluorescent screening of phytoplankton and organic compounds in sea water [J].

Babichenko, S ;

Leeben, A ;

Poryvkina, L ;

van der Wagt, R ;

de Vos, F .

JOURNAL OF ENVIRONMENTAL MONITORING, 2000, 2 (04) :378-383

[5]

Babichenko S, 2004, EARSEL EPROC, V3, P1

[6] Fluorescence measured using the WETStar DOM fluorometer as a proxy for dissolved matter absorption [J].

Belzile, C ;

Roesler, CS ;

Christensen, JP ;

Shakhova, N ;

Semiletov, I .

ESTUARINE COASTAL AND SHELF SCIENCE, 2006, 67 (03) :441-449

[7]

BRICAUD A, 1981, LIMNOL OCEANOGR, V26, P43

[8] USE OF WATER RAMAN EMISSION TO CORRECT AIRBORNE LASER FLUOROSENSOR DATA FOR EFFECTS OF WATER OPTICAL ATTENUATION [J].

BRISTOW, M ;

NIELSEN, D ;

BUNDY, D ;

FURTEK, R .

APPLIED OPTICS, 1981, 20 (17) :2889-2906

[9] Review of the development of laser fluorosensors for oil spill application [J].

Brown, CE ;

Fingas, MF .

MARINE POLLUTION BULLETIN, 2003, 47 (9-12) :477-484

[10] REFLECTANCE MODEL FOR QUANTIFYING CHLOROPHYLL-A IN THE PRESENCE OF PRODUCTIVITY DEGRADATION PRODUCTS [J].

CARDER, KL ;

HAWES, SK ;

BAKER, KA ;

SMITH, RC ;

STEWARD, RG ;

MITCHELL, BG .

JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, 1991, 96 (C11) :20599-20611

← 1 2 3 4 5 →