Search Results - "A. Lutz, Vivian"

Photosynthesis–irradiance parameters of marine phytoplankton: synthesis of a global data set by Bouman, Heather A, Platt, Trevor, Doblin, Martina, Figueiras, Francisco G, Gudmundsson, Kristinn, Gudfinnsson, Hafsteinn G, Huang, Bangqin, Hickman, Anna, Hiscock, Michael, Jackson, Thomas, Lutz, Vivian A, Mélin, Frédéric, Rey, Francisco, Pepin, Pierre, Segura, Valeria, Tilstone, Gavin H, Virginie van Dongen-Vogels, Sathyendranath, Shubha

“…The photosynthetic performance of marine phytoplankton varies in response to a variety of factors, environmental and taxonomic. One of the aims of the MArine…”
Get full text

Primary production in the Argentine Sea during spring estimated by field and satellite models by Lutz, Vivian A., Segura, Valeria, Dogliotti, Ana I., Gagliardini, Domingo A., Bianchi, Alejandro A., Balestrini, Carlos F.

“…In satellite images of the world ocean the Argentine Sea is one of the areas of highest chlorophyll-a (Chl a) concentration. Here we analyze the spatial…”
Get full text

Correction: Kulk et al. Primary Production, an Index of Climate Change in the Ocean: Satellite-Based Estimates over Two Decades. Remote Sens. 2020, 12, 826 by Kulk, Gemma, Platt, Trevor, Dingle, James, Jackson, Thomas, Jönsson, Bror F., Bouman, Heather A., Babin, Marcel, Brewin, Robert J. W., Doblin, Martina, Estrada, Marta, Figueiras, Francisco G., Furuya, Ken, González-Benítez, Natalia, Gudfinnsson, Hafsteinn G., Gudmundsson, Kristinn, Huang, Bangqin, Isada, Tomonori, Kovač, Žarko, Lutz, Vivian A., Marañón, Emilio, Raman, Mini, Richardson, Katherine, Rozema, Patrick D., van de Poll, Willem H., Segura, Valeria, Tilstone, Gavin H., Uitz, Julia, van Dongen-Vogels, Virginie, Yoshikawa, Takashi, Sathyendranath, Shubha

“…Since the article “Primary Production, an Index of Climate Change in the Ocean: Satellite-Based Estimates over Two Decades” by Kulk et al [...]…”
Get full text

Primary Production, an Index of Climate Change in the Ocean: Satellite-Based Estimates over Two Decades by Kulk, Gemma, Platt, Trevor, Dingle, James, Jackson, Thomas, Jönsson, Bror, Bouman, Heather, Babin, Marcel, Brewin, Robert, Doblin, Martina, Estrada, Marta, Figueiras, Francisco, Furuya, Ken, González-Benítez, Natalia, Gudfinnsson, Hafsteinn, Gudmundsson, Kristinn, Huang, Bangqin, Isada, Tomonori, Kovač, Žarko, Lutz, Vivian, Marañón, Emilio, Raman, Mini, Richardson, Katherine, Rozema, Patrick, Poll, Willem, Segura, Valeria, Tilstone, Gavin, Uitz, Julia, Dongen-Vogels, Virginie, Yoshikawa, Takashi, Sathyendranath, Shubha

“…Primary production by marine phytoplankton is one of the largest fluxes of carbon on our planet. In the past few decades, considerable progress has been made…”
Get full text

Phytoplankton types and primary production in the Argentine Sea by Segura, Valeria, Lutz, Vivian A., Dogliotti, Ana, Silva, Ricardo I., Negri, Ruben M., Akselman, Rut, Benavides, Hugo

“…Several satellite models classify phytoplankton functional types (PFT) based on cell size. In this study we used field data from the Argentine Sea on both the…”
Get full text

Annual variations in bio-optical properties at the ‘Estación Permanente de Estudios Ambientales (EPEA)’ coastal station, Argentina by Lutz, Vivian A., Subramaniam, Ajit, Negri, Rubén M., Silva, Ricardo I., Carreto, José I.

“…Variations in optical properties at a coastal station (EPEA) off the North coast of Argentina (38° 28′ S 57° 41′ W) were studied in 2000–2001. Changes observed…”
Get full text

Variability in pigment composition and optical characteristics of phytoplankton in the Labrador Sea and the Central North Atlantic by Lutz, Vivian A., Sathyendranath, Shubha, Head, Erica J. H., Li, William K. W.

“…The relationships between photoadaptation, photoacclimation, cell size and the optical characteristics of the phytoplankton community were studied in 2 areas…”
Get full text

Geographic variations in the nitrogen isotope composition of surface particulate nitrogen and new production across the North Atlantic Ocean by Waser, Nathalie A.D., Harrison, William G., Head, Erica J.H., Nielsen, Bente, Lutz, Vivian A., E. Calvert, Stephen

“…Natural 15 N/ 14 N ( δ 15N) was determined in suspended particulate matter (SPM) and plankton tow samples (20- and 233-μm mesh nets) during extensive surveys…”
Get full text

Hydrography and chlorophyll a in a transect from the coast to the shelf-break in the Argentinian Sea by Carreto, JoséI., A. Lutz, Vivian, Carignan, Marco O., Cucchi Colleoni, Angel D., De Marco, Silvia G.

“…On the basis of data obtained during eight research cruises from a section of the Buenos Aires province shelf, three systems are characterized: (1) coastal…”
Get full text

Changes in the In Vivo Absorption and Fluorescence Excitation Spectra with Growth Irradiance in Three Species of Phytoplankton by Lutz, Vivian A., Sathyendaranath, Shubha, Head, Erica J. H., Li, William K. W.

“…The fluorescence excitation spectrum is sometimes used as a proxy for the action spectrum of photosynthesis in phytoplankton. The main assumption behind this…”
Get full text

Seasonal variations in physiological parameters of phytoplankton across the North Atlantic by Kyewalyanga, Margareth N., Platt, Trevor, Sathyendranath, Shubha, Lutz, Vivian A., Stuart, Venetia

“…Variations in the shapes of the action and absorption spectra, and the physiological parameters of phytoplankton [αB, the biomass (B)-specific initial slope of…”
Get full text

Physical and biological effects on the carbonate system during summer in the Northern Argentine Continental Shelf (Southwestern Atlantic) by Berghoff, Carla F., Pierrot, Denis, Epherra, Lucía, Silva, Ricardo I., Segura, Valeria, Negri, Rubén M., Hozbor, M. Constanza, Carignan, Mario O., Barbero, Leticia, Lutz, Vivian A.

“…The Argentine shelf and its shelf-break (Southwestern Atlantic Ocean) are known for their high biological productivity, and as an important CO2 sink region…”
Get full text

DIFFERENCES BETWEEN IN VIVO ABSORPTION AND FLUORESCENCE EXCITATION SPECTRA IN NATURAL SAMPLES OF PHYTOPLANKTON by Lutz, Vivian A, Sathyendranath, Shubha, Head, Erica J.H, Li, William K.W

“…The fluorescence excitation spectrum of live phytoplankton cells represents the portion of light absorbed that has been effectively transferred to chlorophyll…”
Get full text

The color of EPEA: Variability in the in situ bio-optical properties in the period 2000 - 2017 by Ruiz, Maria Guillermina, Lutz, Vivian Alicia, Segura, Valeria, Berghoff, Carla Florencia, Negri, Rubén Mario

“…The “Estación Permanente de Estudios Ambientales” (EPEA, 38°28´  S 57°41´  W, Argentina) is an ecological time series of in situ observations started in 2000…”
Get full text

PERSPECTIVES OF MARINE BIODIVERSITY STUDIES IN ARGENTINA PERSPECTIVAS DE LOS ESTUDIOS SOBRE BIODIVERSIDAD MARINA EN LA ARGENTINA by Vivian A Lutz, Enrique E Boschi, Claudia S. Bremec, María Berta Cousseau, Daniel E. Figueroa, Diego H. Rodríguez, Norberto Scarlato, María Delia Viñas, Mirtha N. Lewis, Pablo E. Penchaszadeh, Fabián H Acuña, Marina L. Aguirre, Rut Akselman, Viviana A. Alder, Ana Baldoni, María S. Barría, Ricardo O. Bastida, Alicia S. Boraso, Jorge Calvo, Claudio Campagna, Guillermo Cañete, María C. Cassia, Patricia M. Cervellini, Gustavo E. Chiaramonte, Marcela Costagliola, Guillermina Cosulich, María C. Daponte, Juan M. Díaz de Astarloa, Rodolfo Elías, Graciela B. Esnal, Adriana C. Excoffon, Hugo Freije, Susana García de la Rosa, Gabriel N. Genzano, Diego A. Giberto, Raúl Guerrero, Walter Helbling, Mónica S. Hoffmeyer, Inés S. Incorvaia, Oscar Iribarne, Andrés J. Jaureguizar, Mariela Kogan, Gustavo A Lovrich, Adrián O. Madirolas, Juan P. Martin, Patricia Martos, María L. Mendoza, Silvina Menu Marque, Hermes W. Mianzán, Elba R. Morriconi, Rubén M. Negri, Sandra Obenat, Catalina T. Pastor de Ward, Laura B. Pérez de Fankhauser, Flavio Quintana, Raúl Reta, Rita Rico, Ana M. Roux, Marina E. Sabatini, Marcelo A. Scelzo, Laura Schejter, Adrián C.M. Schiavini, Ricardo I. Silva, María G. Silvoni, Eduardo Spivak, María I. Trucco, Eduardo A. Vallarino, Diego G. Zelaya

Get full text