Global retrieval of marine and terrestrial chlorophyll fluorescence at its red peak using hyperspectral top of atmosphere radiance measurements: Feasibility study and first results

Remote Sensing of Environment

Volumn 166, Issue , 2015, Pages 243-261

  Wolanin, A ^a,b   Rozanov, V V ^b   Dinter, T ^a,b   Noel S ^b   Vountas, M ^b   Burrows, J P ^b   Bracher, A ^a,b  

^a ALFRED WEGENER INSTITUTE FOR POLAR AND MARINE RESEARCH   (Germany)

^b UNIVERSITY OF BREMEN   (Germany)

Author keywords

Fraunhofer line approach; GOME 2; Hyperspectral remote sensing; Ocean atmosphere coupled radiative transfer; Retrieval; SCIAMACHY; Sun induced fluorescence

Indexed keywords

ABSORPTION SPECTROSCOPY; CHLOROPHYLL; ELECTROMAGNETIC WAVE ABSORPTION; LIGHT ABSORPTION; PHYSIOLOGY; RADIATIVE TRANSFER; RADIOMETERS; REMOTE SENSING; SPECTROMETERS; VEGETATION;

FRAUNHOFER LINES; GOME-2; HYPERSPECTRAL REMOTE SENSING; OCEAN ATMOSPHERE; RETRIEVAL; SCIAMACHY;

FLUORESCENCE;

AIR-SEA INTERACTION; ALGORITHM; ATMOSPHERE-OCEAN COUPLING; CHLOROPHYLL; EXPERIMENTAL STUDY; FEASIBILITY STUDY; FLUORESCENCE; GLOBAL CHANGE; GOME; LINE TRANSECT; MARINE ENVIRONMENT; MEASUREMENT METHOD; MODIS; PHOTOSYNTHESIS; PHYSIOLOGICAL RESPONSE; PHYTOPLANKTON; RADIANCE; RADIATIVE TRANSFER; REMOTE SENSING; SATELLITE DATA; SATELLITE IMAGERY; SCIAMACHY; SPECTRAL ANALYSIS; TERRA (SATELLITE); TERRESTRIAL ENVIRONMENT; VEGETATION STRUCTURE;

EID: 84937975352     PISSN: 00344257     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.rse.2015.05.018     Document Type: Article

References (110)

1. Abbott M.R., Letelier R.M. Algorithm theoretical basis document chlorophyll fluorescence (MODIS product number 20) 1999, NASA, (http://www.modis.gsfc.nasa.gov/data/atbd).
2. Agati G., Cerovic Z.G., Moya I. The effect of decreasing temperature up to chilling values on the in vivo F685/F735 chlorophyll fluorescence ratio in Phaseolus vulgaris and Pisum sativum: The role of the Photosystem I contribution to the 735nm fluorescence band. Photochemistry and Photobiology 2000, 72(1):75-84.
3. Babin M., Morel A., Gentili B. Remote sensing of sea surface sun-induced chlorophyll fluorescence: Consequences of natural variations in the optical characteristics of phytoplankton and the quantum yield of chlorophyll a fluorescence. International Journal of Remote Sensing 1996, 17(12):2417-2448.
4. Barber R.T., Chavez F.P. Biological consequences of El Niño. Science 1983, 222(4629):1203-1210.
5. Barber R.T., Chávez F.P. Ocean variability in relation to living resources during the 1982-83 El Niño. Nature 1986, January, 319(6051):279-285.
6. Behrenfeld M.J., Westberry T.K., Boss E., O'Malley R.T., Siegel D.A., Wiggert J.D., et al. Satellite-detected fluorescence reveals global physiology of ocean phytoplankton. Biogeosciences 2009, 6:779-794.
7. Molecular mechanisms of photosynthesis 2002, Blackwell Science Ltd, Oxford, UK. R.E. Blankenship (Ed.).
8. Blum M., Rozanov V.V., Burrows J.P., Bracher A. Coupled ocean-atmosphere radiative transfer model in the framework of software package SCIATRAN: Selected comparisons to model and satellite data. Advances in Space Research 2012, 49(12):1728-1742.
9. Bodhaine B.A., Wood N.B., Dutton E.G., Slusser J.R. On Rayleigh optical depth calculations. Journal of Atmospheric and Oceanic Technology 1999, 16(11):1854-1861.
10. Bovensmann H., Burrows J.P., Buchwitz M., Frerick J., Noël S., Rozanov V.V., et al. SCIAMACHY: Mission objectives and measurement modes. Journal of the Atmospheric Sciences 1999, 56(2):127-150.
11. Boyce D.G., Lewis M.R., Worm B. Global phytoplankton decline over the past century. Nature 2010, 466(7306):591-596.
12. Bracher A., Vountas M., Dinter T., Burrows J.P., Röttgers R., Peeken I. Quantitative observation of cyanobacteria and diatoms from space using PhytoDOAS on SCIAMACHY data. Biogeosciences 2009, 6:751-764.
13. Burrows J.P., Hölzle E., Goede A.P.H., Visser H., Fricke W. SCIAMACHY-Scanning imaging absorption spectrometer for atmospheric chartography. Acta Astronautica 1995, 35(7):445-451.
14. Burrows J.P., Weber M., Buchwitz M., Rozanov V.V., Ladstätter-Weiβenmayer A., Richter A., et al. The global ozone monitoring experiment (GOME): Mission concept and first scientific results. Journal of the Atmospheric Sciences 1999, 56(2):151-175.
15. Buschmann C. Variability and application of the chlorophyll fluorescence emission ratio red/far-red of leaves. Photosynthesis Research 2007, 92(2):261-271.
16. Callies J., Corpaccioli E., Eisinger M., Hahne A., Lefebvre A. GOME-2-MetOP's second-generation sensor for operational ozone monitoring. ESA Bulletin 2000, 102:28-36.
17. Chavez F.P., Strutton P.G., Friederich G.E., Feely R.A., Feldman G.C., Foley D.G., et al. Biological and chemical response of the equatorial Pacific Ocean to the 1997-98 El Niño. Science 1999, 286(5447):2126-2131.
18. Cheng Y.-B., Middleton E., Zhang Q., Huemmrich K., Campbell P., Corp L., et al. Integrating solar induced fluorescence and the photochemical reflectance index for estimating gross primary production in a cornfield. Remote Sensing 2013, 5(12):6857-6879.
19. Daumard F., Goulas Y., Champagne S., Fournier A., Ounis A., Olioso A., et al. Continuous monitoring of canopy level sun-induced chlorophyll fluorescence during the growth of a sorghum field. IEEE Transactions on Geoscience and Remote Sensing 2012, November, 50(11):4292-4300.
20. Doney S.C., Ruckelshaus M., Emmett Duffy J., Barry J.P., Chan F., English C.A., et al. Climate change impacts on marine ecosystems. Annual Review of Marine Science 2012, 4(1):11-37.
21. Eisinger M., Richter A., Ladstätter-Weiβnmayer A., Burrows J.P. DOAS zenith sky observations: 1. BrO measurements over Bremen (53°N) 199-1994. Journal of Atmospheric Chemistry 1997, 26(1):93-108.
22. Falkowski P.G. Biogeochemical controls and feedbacks on ocean primary production. Science 1998, 281(5374):200-206.
23. Falkowski P.G., Kolber Z. Variations in chlorophyll fluorescence yields in phytoplankton in the world oceans. Functional Plant Biology 1995, 22(2):341-355.
24. Field C.B. Primary production of the biosphere: Integrating terrestrial and oceanic components. Science 1998, 281(5374):237-240.
25. Fournier A., Daumard F., Champagne S., Ounis A., Goulas Y., Moya I. Effect of canopy structure on sun-induced chlorophyll fluorescence. ISPRS Journal of Photogrammetry and Remote Sensing 2012, 68:112-120.
26. Franck F., Juneau P., Popovic R. Resolution of the Photosystem I and Photosystem II contributions to chlorophyll fluorescence of intact leaves at room temperature. Biochimica et Biophysica Acta (BBA) - Bioenergetics 2002, 1556(2-3):239-246.
27. Frankenberg C., Fisher J.B., Worden J., Badgley G., Saatchi S.S., Lee J.-E., et al. New global observations of the terrestrial carbon cycle from GOSAT: Patterns of plant fluorescence with gross primary productivity. Geophysical Research Letters 2011, 38(17):L17706.
28. o in leaves is emission wavelength dependent: consequences for quenching analysis and its interpretation. Photosynthesis Research 1990, 26(2):133-139.
29. Gitelson A.A. The peak near 700nm on radiance spectra of algae and water: Relationships of its magnitude and position with chlorophyll concentration. International Journal of Remote Sensing 1992, 13(17):3367-3373.
30. 700 as an accurate measure of the chlorophyll content in plants. Remote Sensing of Environment 1999, 69(3):296-302.
31. Gitelson A.A., Merzlyak M.N. Remote estimation of chlorophyll content in higher plant leaves. International Journal of Remote Sensing 1997, 18(12):2691-2697.
32. Gordon H.R., Clark D.K. Clear water radiances for atmospheric correction of coastal zone color scanner imagery. Applied Optics 1981, 20(24):4175-4180.
33. Gordon H.R., Voss K.J. MODIS normalized water-leaving radiance algorithm theoretical basis document (MOD 18) 2004, NASA, (http://www.modis.gsfc.nasa.gov/data/atbd).
34. Gower J.F.R., Brown L., Borstad G.A. Observation of chlorophyll fluorescence in west coast waters of Canada using the MODIS satellite sensor. Canadian Journal of Remote Sensing 2004, 30(1):17-25.
35. Gower J.F.R., King S. Satellite fluorescence as a measure of ocean surface chlorophyll. Gayana (Concepción) 2004, 68(2).
36. Gower J.F.R., King S. Validation of chlorophyll fluorescence derived from MERIS on the west coast of Canada. International Journal of Remote Sensing 2007, 28(3-4):625-635.
37. Gower J.F.R., King S. Use of satellite images of chlorophyll fluorescence to monitor the spring bloom in coastal waters. International Journal of Remote Sensing 2012, 33(23):7469-7481.
38. Grainger J.F., Ring J. Anomalous Fraunhofer line profiles. Nature 1962, 193(4817). 762-762.
39. Gregg W.W. Ocean primary production and climate: Global decadal changes. Geophysical Research Letters 2003, 30(15):1809.
40. Gregg W.W., Casey N.W., McClain C.R. Recent trends in global ocean chlorophyll. Geophysical Research Letters 2005, 32(3):L03606.
41. Guanter L., Frankenberg C., Dudhia A., Lewis P.E., Gómez-Dans J., Kuze A., et al. Retrieval and global assessment of terrestrial chlorophyll fluorescence from GOSAT space measurements. Remote Sensing of Environment 2012, 121:236-251.
42. Halthore R.N., Caffrey P.F. Measurement and modeling of background aerosols in remote marine atmospheres: Implications for sea salt flux. Geophysical Research Letters 2006, 33(14):L14819.
43. Haltrin V.I., Kattawar G.W. Self-consistent solutions to the equation of transfer with elastic and inelastic scattering in oceanic optic. Applied Optics 1993, 32(27):5356-5367.
44. 2 emissions. Environmental Research Letters 2011, 6(3):034035.
45. Huhn F., von Kameke A., Pérez-Muñuzuri V., Olascoaga M.J., Beron-Vera F.J. The impact of advective transport by the South Indian Ocean. Countercurrent on the Madagascar plankton bloom. Geophysical Research Letters 2012, March, 39(6). (n/a-n/a).
46. Huot Y., Babin M. Overview of fluorescence protocols: Theory, basic concepts, and practice. Chlorophyll a fluorescence in aquatic sciences: Methods and applications 2010, 31-74. Springer, Netherlands. D.J. Suggett, O. Prášil, M.A. Borowitzka (Eds.).
47. Huot Y., Franz B.A., Fradette M. Estimating variability in the quantum yield of sun-induced chlorophyll fluorescence: A global analysis of oceanic waters. Remote Sensing of Environment 2013, 132:238-253.
48. IPCC Climate change 2013: The physical science basis. Working Group I contribution to the IPCC 5th assessment report - Changes to the underlying scientific/technical assessment 2013, Cambridge University Press.
49. Joiner J., Guanter L., Lindstrot R., Voigt M., Vasilkov A.P., Middleton E.M., et al. Global monitoring of terrestrial chlorophyll fluorescence from moderate-spectral-resolution near-infrared satellite measurements: Methodology, simulations, and application to GOME-2. Atmospheric Measurement Techniques 2013, 6(10):2803-2823.
50. Joiner J., Yoshida Y., Vasilkov A.P., Yoshida Y., Corp L.A., Middleton E.M. First observations of global and seasonal terrestrial chlorophyll fluorescence from space. Biogeosciences 2011, 8(3):637-651.
51. Kattawar G.W., Xu X. Filling in of Fraunhofer lines in the ocean by Raman scattering. Applied Optics Oct 1992, 31(30):6491-6500.
52. Khosravi N. Terrestrial plant fluorescence as seen from satellite data 2012, (M.sc.-thesis), University of Bremen.
53. Krause G.H., Weis E1. Chlorophyll fluorescence and photosynthesis: The basics. Annual Review of Plant Biology 1991, 42(1):313-349.
54. Lévy M., Shankar D., André J.-M., Shenoi S.S.C., Durand F., de Boyer Montégut C. Basin-wide seasonal evolution of the Indian Ocean's phytoplankton blooms. Journal of Geophysical Research 2007, December, 112(C12).
55. Lichtenthaler H.K., Rinderle U. The role of chlorophyll fluorescence in the detection of stress conditions in plants. CRC, Critical Reviews in Analytical Chemistry 1988, 19(sup1):S29-S85.
56. Longhurst A. A major seasonal phytoplankton bloom in the Madagascar Basin. Deep Sea Research Part I: Oceanographic Research Papers 2001, 48(11):2413-2422.
57. MacIntyre H.L., Lawrenz E., Richardson T.L. Taxonomic discrimination of phytoplankton by spectral fluorescence. Chlorophyll a fluorescence in aquatic sciences: Methods and applications 2010, 31-74. Springer, Netherlands. D.J. Suggett, O. Prášil, M.A. Borowitzka (Eds.).
58. Mackas D.L. Does blending of chlorophyll data bias temporal trend?. Nature 2011, 472(7342):E4-E5.
59. Maxwell K. Chlorophyll fluorescence-A practical guide. Journal of Experimental Botany 2000, 51(345):659-668.
60. McKibben S.M., Strutton P.G., Foley D.G., Peterson T.D., White A.E. Satellite-based detection and monitoring of phytoplankton blooms along the Oregon coast. Journal of Geophysical Research 2012, 117(C12002).
61. McQuatters-Gollop A., Raitsos D.E., Edwards M., Pradhan Y., Mee L.D., Lavender S.J., et al. A long-term chlorophyll data set reveals regime shift in North Sea phytoplankton biomass unconnected to nutrient trends. Limnology and Oceanography 2007, 52(2):635-648.
62. McQuatters-Gollop A., Reid P.C., Edwards M., Burkill P.H., Castellani C., Batten S., et al. Is there a decline in marine phytoplankton?. Nature 2011, 472(7342):E6-E7.
63. Millie D.F., Schofield O.M., Kirkpatrick G.J., Johnsen G., Evens T.J. Using absorbance and fluorescence spectra to discriminate microalgae. European Journal of Phycology 2002, 37(3):313-322.
64. Mobley C.D. Light and water: Radiative transfer in natural waters 1994, Academic Press, San Diego, Calif. [u.a.].
65. Morrison J.R., Goodwin D.S. Phytoplankton photocompensation from space-based fluorescence measurements. Geophysical Research Letters 2010, 37(6):L06603.
66. Moya I., Daumard F., Moise N., Ounis A., Goulas Y. First airborne multiwavelength passive chlorophyll fluorescence measurements over La Mancha (Spain) fields. 2nd International Symposium on Recent Advances in Quantitative Remote Sensing: RAQRS'II, 25-29th September, Torrent (Valencia)-Spain 2006, 820-825.
67. Munro R., Eisinger M., Anderson C., Callies J., Corpaccioli E., Lang R., et al. GOME-2 on MetOp. Proc. of the 2006 EUMETSAT Meteorological Satellite Conference, Helsinki, Finland, EUMETSAT 2006, 48.
68. Neville R.A., Gower J.F.R. Passive remote sensing of phytoplankton via chlorophyll α fluorescence. Journal of Geophysical Research 1977, 82(24):3487-3493.
69. Noël S., Buchwitz M., Burrows J.P. First retrieval of global water vapour column amounts from SCIAMACHY measurements. Atmospheric Chemistry and Physics 2004, 4:111-125.
70. Noël S., Buchwitz M., Bovensmann H., Burrows J.P. Validation of SCIAMACHY AMC-DOAS water vapour columns. Atmospheric Chemistry and Physics 2005, 5:1835-1841.
71. Noël S., Mieruch S., Bovensmann H., Burrows J.P. Preliminary results of GOME-2 water vapour retrievals and first applications in polar regions. Atmospheric Chemistry and Physics 2008, 8(6):1519-1529.
72. O'Malley R.T., Behrenfeld M.J., Westberry T.K., Milligan A.J., Shang S., Yan J. Geostationary satellite observations of dynamic phytoplankton photophysiology: GOCI fluorescence. Geophysical Research Letters July 2014, 41(14):5052-5059.
73. Olonscheck D., Hofmann M., Worm B., Schellnhuber H.J. Decomposing the effects of ocean warming on chlorophyll a concentrations into physically and biologically driven contributions. Environmental Research Letters 2013, 8(1):014043.
74. Perner D., Platt U. Detection of nitrous acid in the atmosphere by differential optical absorption. Geophysical Research Letters 1979, 6(12):917-920.
75. Peters E., Wittrock F., Richter A., Alvarado L.M.A., Rozanov V.V., Burrows J.P. Liquid water absorption and scattering effects in DOAS retrievals over oceans. Atmospheric Measurement Techniques 2014, 7(12):4203-4221.
76. Porcar-Castell A., Tyystjarvi E., Atherton J., van der Tol C., Flexas J., Pfundel E.E., et al. Linking chlorophyll a fluorescence to photosynthesis for remote sensing applications: Mechanisms and challenges. Journal of Experimental Botany 2014, 65(15):4065-4095.
77. Raj R.P., Peter B.N., Pushpadas D. Oceanic and atmospheric influences on the variability of phytoplankton bloom in the southwestern Indian Ocean. Journal of Marine Systems September 2010, 82(4):217-229.
78. Richter A., Burrows J.P., Nüβ H., Granier C., Niemeier U. Increase in tropospheric nitrogen dioxide over China observed from space. Nature 2005, 437(7055):129-132.
79. Rousseaux C.S., Gregg W.W. Climate variability and phytoplankton composition in the Pacific Ocean. Journal of Geophysical Research 2012, October, 117(C10).
80. Rozanov V.V., Rozanov A.V. Differential optical absorption spectroscopy (DOAS) and air mass factor concept for a multiply scattering vertically inhomogeneous medium: Theoretical consideration. Atmospheric Measurement Techniques 2010, 3:751-780.
81. Rozanov V.V., Rozanov A.V., Kokhanovsky A.A., Burrows J.P. Radiative transfer through terrestrial atmosphere and ocean: Software package SCIATRAN. Journal of Quantitative Spectroscopy and Radiative Transfer 2014, 133(0):13-71.
82. Rozanov V.V., Vountas M. Radiative transfer equation accounting for rotational Raman scattering and its solution by the discrete-ordinates method. Journal of Quantitative Spectroscopy and Radiative Transfer 2014, 133:603-618.
83. Ryan J.P., Polito P.S., Strutton P.G., Chavez F.P. Unusual large-scale phytoplankton blooms in the equatorial Pacific. Progress in Oceanography 2002, 55(3):263-285.
84. Rykaczewski R.R., Dunne J.P. A measured look at ocean chlorophyll trends. Nature 2011, 472(7342):E5-E6.
85. Sadeghi A., Dinter T., Vountas M., Taylor B.B., Altenburg-Soppa M., Peeken I., et al. Improvement to the PhytoDOAS method for identification of coccolithophores using hyper-spectral satellite data. Ocean Science 2012, November, 8(6):1055-1070.
86. Schallenberg C., Lewis M.R., Kelley D.E., Cullen J.J. Inferred influence of nutrient availability on the relationship between sun-induced chlorophyll fluorescence and incident irradiance in the Bering Sea. Journal of Geophysical Research 2008, 113(C07046).
87. Siegel D.A. Century of phytoplankton change. Nature 2010, 466:569-571.
88. Signorini S.R., McClain C.R. Large-scale forcing impact on biomass variability in the South Atlantic bight. Geophysical Research Letters 2007, November, 34(21).
89. Signorini S.R., McClain C.R. Subtropical gyre variability as seen from satellites. Remote Sensing Letters 2012, November, 3(6):471-479.
90. Simis S.G.H., Huot Y., Babin M., Seppälä J., Metsamaa L. Optimization of variable fluorescence measurements of phytoplankton communities with cyanobacteria. Photosynthesis Research 2012, 112(1):13-30.
91. Sinnhuber B.-M., Sheode N., Sinnhuber M., Chipperfield M.P., Feng W. The contribution of anthropogenic bromine emissions to past stratospheric ozone trends: A modelling study. Atmospheric Chemistry and Physics 2009, 9:2863-2871.
92. Srokosz M.A. A possible plankton wave in the Indian Ocean. Geophysical Research Letters 2004, 31(13).
93. Srokosz M.A., Quartly G.D. The Madagascar bloom: A serendipitous study: Madagascar bloom: A serendipitous study. Journal of Geophysical Research, Oceans 2013, January, 118(1):14-25.
94. Strutton P.G., Chavez F.P. Primary productivity in the equatorial Pacific during the 1997-1998 El Niño. Journal of Geophysical Research 2000, 105(C11):26089.
95. Strutton P.G., Evans W., Chavez F.P. Equatorial pacific chemical and biological variability, 1997-2003: Pacific chemical and biological variability. Global Biogeochemical Cycles 2008, June, 22(2). (n/a-n/a).
96. Uz B.M. What causes the sporadic phytoplankton bloom southeast of Madagascar?. Journal of Geophysical Research 2007, September, 112(C9).
97. Vasilkov A.P. Ocean Raman scattering in satellite backscatter UV measurements. Geophysical Research Letters 2002, 29(17).
98. Veefkind J.P., Aben I., McMullan K., Förster H., de Vries J., Otter G., et al. TROPOMI on the ESA sentinel-5 precursor: A GMES mission for global observations of the atmospheric composition for climate, air quality and ozone layer applications. Remote Sensing of Environment 2012, 120:70-83.
99. Vountas M., Dinter T., Bracher A., Burrows J.P., Sierk B. Spectral studies of ocean water with space-borne sensor SCIAMACHY using differential optical absorption spectroscopy (DOAS). Ocean Science 2007, 3(3):429-440.
100. Vountas M., Richter A., Wittrock F., Burrows J.P. Inelastic scattering in ocean water and its impact on trace gas retrievals from satellite data. Atmospheric Chemistry and Physics 2003, 3(5):1365-1375.
101. Vountas M., Rozanov V.V., Burrows J.P. Ring effect: Impact of rotational Raman scattering on radiative transfer in Earth's atmosphere. Journal of Quantitative Spectroscopy and Radiative Transfer 1998, 60(6):943-961.
102. Wagner T., Beirle S., Deutschmann T., Grzegorski M., Platt U. Satellite monitoring of different vegetation types by differential optical absorption spectroscopy (DOAS) in the red spectral range. Atmospheric Chemistry and Physics 2007, 7(1):69-79.
103. Wernand M.R., van der Woerd H.J., Gieskes W.W.C. Trends in ocean colour and chlorophyll concentration from 1889 to 2000, worldwide. PLoS ONE 2013, 8(6):e63766.
104. Westberry T.K., Behrenfeld M.J., Milligan A.J., Doney S.C. Retrospective satellite ocean color analysis of purposeful and natural ocean iron fertilization. Deep Sea Research Part I: Oceanographic Research Papers 2013, 73:1-16.
105. Wolter K., Timlin M.S. Measuring the strength of ENSO events: How does 1997/98 rank?. Weather 1998, 53(9):315-324.
106. Wynne T.T., Stumpf R.P., Briggs T.O. Comparing MODIS and MERIS spectral shapes for cyanobacterial bloom detection. International Journal of Remote Sensing 2013, 34(19):6668-6678.
107. Wynne T.T., Stumpf R.P., Tomlinson M.C., Fahnenstiel G.L., Dyble J., Schwab D.J., et al. Evolution of a cyanobacterial bloom forecast system in western Lake Erie: Development and initial evaluation. Journal of Great Lakes Research 2013, 39:90-99.
108. Wynne T.T., Stumpf R.P., Tomlinson M.C., Warner R.A., Tester P.A., Dyble J., et al. Relating spectral shape to cyanobacterial blooms in the Laurentian Great Lakes. International Journal of Remote Sensing 2008, 29(12):3665-3672.
109. Wyrtki K. An estimate of equatorial upwelling in the Pacific. Journal of Physical Oceanography September 1981, 11(9):1205-1214.
110. Xing X.-G., Zhao D.-Z., Liu Y.-G., Yang J.-H., Xiu P., Wang L. An overview of remote sensing of chlorophyll fluorescence. Ocean Science Journal 2007, 42(1):49-59.