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6 results for “Melville Island”
Total Particulate Carbon and Nitrogen Concentration from R/V Melville MV1015 in the S. Pacific from Arica, Chile to Easter Island, 2010 (C-MORE project)
<p>"The South East Pacific (SEP) is characterized by very high nutrient concentrations in the waters adjacent to the Chilean coast, but very low nutrient concentrations (oligotrophic) in the mid- South Pacific Subtropical Gyre (SPSG), near Easter Island. The steep gradient in nutrient concentrations across the region affects the level of marine production, the composition of the microbial community, and the operation of major biogeochemical cycles in ways that are not fully understood. Despite the remarkable diversity of trophic conditions, strong gradients and even some unique singularities, the SEP is still the most sparsely sampled oceanic region of the global ocean from hydrodynamic, biological and biogeochemical points of view. The SPSG is also the most oligotrophic of all sub-tropical gyres. Previous expeditions and remote sensing studies have described the nutrient and chlorophyll field, but there have been few simultaneous measurements of chemical properties with microbial community structure and function. This expedition is designed to investigate the impact of elemental nutrient (nitrogen, phosphorus, iron, silicon, carbon) ratios on marine productivity and microbial community composition. Samples for PC (particulate carbon) and PN (particulate nitrogen) were collected on a combusted 25mm glass fiber filter (GF/F) and stored in a -80 freezer until analysis. Samples were further analyzed using a Carlo Erba NA 1500 Elemental Analyzer." Time is in GMT. Note: it is questionable if the 500m sample collected on 2010-11-27 was really taken at 500m (see comment on data sheet). This “best guess” for depth was included in the data for CMAP visualization purposes.</p> <p>This description has been reproduced using the following source:<br> <br> http://dmoserv3.bco-dmo.org/jg/info/BCO-DMO/CMORE/bigrapa/PCPN%7Bdir=dmoserv3.bco-dmo.org:80/jg/dir,data=dmoserv3.bco-dmo.org:80/jg/serv/BCO-DMO/CMORE/bigrapa/PCPN.html1%7D?</p>
BiG RAPA Water Column HPLC Pigments from R/V Melville MV1015 in the South Pacific from Arica, Chile to Easter Island from November to December 2010 (C-MORE project)
<p>“The South East Pacific (SEP) is characterized by very high nutrient concentrations in the waters adjacent to the Chilean coast, but very low nutrient concentrations (oligotrophic) in the mid- South Pacific Subtropical Gyre (SPSG), near Easter Island. The steep gradient in nutrient concentrations across the region affects the level of marine production, the composition of the microbial community, and the operation of major biogeochemical cycles in ways that are not fully understood. Despite the remarkable diversity of trophic conditions, strong gradients and even some unique singularities, the SEP is still the most sparsely sampled oceanic region of the global ocean from hydrodynamic, biological and biogeochemical points of view. The SPSG is also the most oligotrophic of all sub-tropical gyres. Previous expeditions and remote sensing studies have describes the nutrient and chlorophyll field, but there have been few simultaneous measurements of chemical properties with microbial community structure and function. This expedition is designed to investigate the impact of elemental nutrient (nitrogen, phosphorus, iron, silicon, carbon) ratios on marine productivity and microbial community composition.” This BiG RAPA dataset contains water column HPLC pigment data from samples collected via Niskin bottles attached to a CTD. Time is in GMT.</p> <p><br> This description has been reproduced using the following source:</p> <p><br> http://dmoserv3.bco-dmo.org/jg/info/BCO-DMO/CMORE/bigrapa/pigments_watcol%7Bdir=dmoserv3.bco-dmo.org:80/jg/dir,data=dmoserv3.bco-dmo.org:80/jg/serv/BCO-DMO/CMORE/bigrapa/pigments_watcol.html1%7D?</p>
Nutrients from R/V Melville MV1015 in the South Pacific from Arica, Chile to Easter Island from November to December 2010 (C-MORE project)
<p>"A 5-channel, continuous flow analyzer was used for dissolved nutrient determinations on the BIG RAPA cruise. Alpkem and Technicon AutoAnalyzer II™ components were used to measure phosphate, ammonium, nitrite, silicic acid and nitrate plus nitrite (N+N). A Keithley model 575 data acquisition system backed by analog strip chart recorders was used to acquire the data. Absorbance data was converted to concentrations using the OSU program NUTCALC." Time is in GMT. More detailed information is available at: http://dmoserv3.bco-dmo.org/jg/info/BCO-DMO/CMORE/bigrapa/nutrients%7Bdir=dmoserv3.bco-dmo.org:80/jg/dir,data=dmoserv3.bco-dmo.org:80/jg/serv/BCO-DMO/CMORE/bigrapa/nutrients.html1%7D?</p>
Subspecies and Distribution. P d. delicatulus Gould, 1842 — monsoonal NW & NC Australia, from Pilbara to far NW Queensland, and including the islands of Tent, Augustus, Bigge, Sir Graham Moore, Bathurst, Melville, Marchinbar, Groote Eylandt, and Sir Edward Pellew Group (West, South West, North, and Vanderlin). P. d. pumilus Troughton, 1936 — NE & CE Australia from Cape York S to NE New South Wales, including Fraser I; also reported from Trans Fly plains in S New Guinea. in Muridae
Subspecies and Distribution. P d. delicatulus Gould, 1842 — monsoonal NW & NC Australia, from Pilbara to far NW Queensland, and including the islands of Tent, Augustus, Bigge, Sir Graham Moore, Bathurst, Melville, Marchinbar, Groote Eylandt, and Sir Edward Pellew Group (West, South West, North, and Vanderlin). P. d. pumilus Troughton, 1936 — NE & CE Australia from Cape York S to NE New South Wales, including Fraser I; also reported from Trans Fly plains in S New Guinea.
Distribution. New Guinea, mainland Australia (mainly peripheral but extending farthest inland in mesic E & SE, and along Cooper Creek to terminate in ephemeral lakes of Lake Eyre Basin), and Tasmania; also present on many islands and archipelagos, including Obi, Waigeo, Biak, Yapen, Kai, Aru, Kiriwina, Goodenough, Fergusson, Normanby, Bernier, Dorre, Barrow, Bathurst, Melville, Wessel, Inglis, Groote Eylandt, Pellew, Mornington, Dunk, Palm, Whitsunday, Dent, Fraser, North Stradbroke, South Stradbroke, Flinders, and Bruny. in Muridae
Distribution. New Guinea, mainland Australia (mainly peripheral but extending farthest inland in mesic E & SE, and along Cooper Creek to terminate in ephemeral lakes of Lake Eyre Basin), and Tasmania; also present on many islands and archipelagos, including Obi, Waigeo, Biak, Yapen, Kai, Aru, Kiriwina, Goodenough, Fergusson, Normanby, Bernier, Dorre, Barrow, Bathurst, Melville, Wessel, Inglis, Groote Eylandt, Pellew, Mornington, Dunk, Palm, Whitsunday, Dent, Fraser, North Stradbroke, South Stradbroke, Flinders, and Bruny.
Discrete Samples of Particulate Phosphorus from R/V Melville MV1015 in the S. Pacific from Arica, Chile to Easter Island, 2010 (C-MORE project)
<p>“The South East Pacific (SEP) is characterized by very high nutrient concentrations in the waters adjacent to the Chilean coast, but very low nutrient concentrations (oligotrophic) in the mid- South Pacific Subtropical Gyre (SPSG), near Easter Island. The steep gradient in nutrient concentrations across the region affects the level of marine production, the composition of the microbial community, and the operation of major biogeochemical cycles in ways that are not fully understood. Despite the remarkable diversity of trophic conditions, strong gradients and even some unique singularities, the SEP is still the most sparsely sampled oceanic region of the global ocean from hydrodynamic, biological and biogeochemical points of view. The SPSG is also the most oligotrophic of all sub-tropical gyres. Previous expeditions and remote sensing studies have described the nutrient and chlorophyll field, but there have been few simultaneous measurements of chemical properties with microbial community structure and function. This expedition is designed to investigate the impact of elemental nutrient (nitrogen, phosphorus, iron, silicon, carbon) ratios on marine productivity and microbial community composition. Samples for PP (particulate phosphorus) were collected on acid washed combusted 25mm glass fiber filters (GF/F) and stored in a -80 freezer until analysis. Samples were further analyzed using a CARY UV-VIS Spectrophotometer following the combustion and acid hydrolysis method of Karl, et al. (1991).” One sample entry contained no depth value or sample data so it was deleted for visualization purposes. </p> <p>This description has been reproduced using the following source: </p> <p>http://dmoserv3.bco-dmo.org/jg/info/BCO-DMO/CMORE/bigrapa/PP%7Bdir=dmoserv3.bco-dmo.org:80/jg/dir,data=dmoserv3.bco-dmo.org:80/jg/serv/BCO-DMO/CMORE/bigrapa/PP.html1%7D?</p>
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