Nereus&Program&Annual&Meeti
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Nereus&Program&Annual&Meeting&2016&\\& MARIA&DE&OCA& Thank&you&\\& ! TOMOKA&SWEET& LINDSAY&LAFRENIERE& YOSHI&OTA& &Research&\\& CLIMPP.&PHYTOPLANKTON.&BAYESIAN.&WEBSITE.&PACIFIC.& &Outreach&\\& CONSULTING.&INNOVATION.&DIVERSITY.&COMMUNICATION.&& &Research&\\& Does&a&Bayesian&modeling&approach&capture& B P opt&dynamics&in&the&equatorial&Pacific?& B P opt = Maximum biomass-specific photosynthetic rate in a water column B PB! P opt! Relevance: z! - Photosynthetic efficiency - Parameter of satellite production models Generalized Joint Attribute Modeling (GJAM) wi ~ MVN (µi, Σ) µi = βixi Prediction modeling with all data types and all responses jointly Posterior simulation through Gibbs sampling using non- informative priors for both β and Σ. Assumptions: xi = SSTi + MLDi + PAR i b wi = P opti + CHLi+ IPPi Clark et al. (2015) B Sensitivity P opt β SST SST MLD -MLD PAR B MLD has a bigger (-) effect on P opt than SST Nutrient limitation B SIGMA P opt CHL IPP B P opt 0.6 -0.07 0.1 CHL -0.07 0.4 0.1 IPP 0.1 0.1 0.4 B Much of P opt variance remains unexplained PREDICTION GJAM in-sample prediction and standard model b do not capture P opt variability CONCLUSIONS B In the equatorial Pacific P opt is not explained by the physical variables that should control productivity It is controlled by something else? Fe? Barber & Chavez (1991) B It is controlled by those physical variables but P opt does not capture their effects? Côté & Platt (1984) It’s about the data? CONCLUSIONS B PB! P opt! B P max! PB! z! E! Côté & Platt (1984); Forget et al. (2007) ! Friedrichs et al. (2009) SSpatial&sample&distribution&over&time& STime&series&vs&transects& SScale&mismatch& SH CRU WHO I PRC V BOTTOM DA MO YR START END LATITUDE LONGITUDE Press Sta# Sta# DEPTH GMT GMT Max PR 1 38 77 x ^890 13 2 86 1030 1125 5 O.U8 135 30.48 2^)99.0 PR 1 39 78 x 4061 1^ 2 86 55 121 4 59.69 132 30.83 2495.0 PR 1 /;0 79 x 5023 14 2 86 1225 1205 5 0.25 130 0.19 2505.0 PR 1 bl 80 x 5^63 tk 2 86 1804 1840 5 59.20 130 0.87 2499.0 PR 1 ^2 81 x 555^ 14 2 86 2332 5 6 59.80 129 59.73 2499.0 PR I U3 82 x 5670 15 2 86 535 615 7 53.31 130 O.A^ 2^97.0 PR I ^ 83 x 5853 15 2 86 1147 1224 9 0.97 129 59.01 2495.0 PR 1 45 QU x 5886 15 2 86 1758 1823 10 0.05 130 0.27 2501.0 PR 1 ^ 85 x 5760 15 2 86 2301 2340 11 0.43 129 59.41 2509.0 PR I 47 86 x 5758 16 2 86 437 507 12 0.27 129 59.18 2517.0 PR I 48 87 x 5918 16 2 86 950 1030 13 0.03 130 0.15 2501.0 PR 1 ^9 88 x 5715 16 2 86 1920 19^5 15 0.26 130 0.86 2499.0 PR 1 50 89 x 5164 17 2 86 420 448 16 59.67 129 58.77 2505.0 PR 1 51 90 x 5786 17 2 86 HQit 1131 18 19.59 130 0.01 2497.0 PR 1 52 91 x 5268 17 2 86 1545 1610 18 19.72 128 59.94 2623.0 PR 1 53 92 x ^530 17 2 86 20^2 2107 18 20.99 127 59.90 2541.0 PR 1 54 93 x 4910 18 2 86 124 149 18 20.11 126 59.88 2505.0 PR I 55 94 x 5^06 18 2 86 605 650 18 20.00 125 59.3U 3995.0 PR 1 56 95 x 5^31 18 2 86 IWO 1^28 18 19.96 125 0.22 2499.0 118 119 well as successful. The expertise and attention to detail in winch and running the cast is highly commended as well as the friendly coope- rative attitude shown by everyone on the ship, ^ ^ 0 v0^ aaruiivi 1-Lf ^L -5 ^ VL 176 177 to produce a preliminary report of reduced data. Al Schmidt (Duke University ****<-***** STATION 1-001 ********** Marine Laboratory) devised a series of programs for a "TOGA Cruise Data Mana- Stationin No. 1-001 Date 6MT 08 JftN 86 mnd Speed 13.2 gement System . The accompanying data was processed by this system. Stationsn Name CTD-1 Mess Time BMT 0930 •Wind Sir 95 Lattitude 10,.00. 8 N Dste LOG 07 JAN B6 Ear Press 1009.6 We would like to acknowledge the support and assistance of the crew of Longitude 170,.01. 7 W Mess Time LOC 2230 Sonic Dep 4451 Secchi Dep 27 the R/V XIANGYANGHONG 14. The biological and chemical work was made possible by the enthusiastic help of all participants of the scientific parties of the Depth RealDep Temp S$li nity Densi ty Oxygen Nitrate Nitrite People's Republic of China and the United States. 0 0 27. 38 33. 283 2i,.344 4.590 0.00 0.00 25 24 27. 33 34. 009 21 .887 4.600 0.00 0.00 50 47 27.'34 34. 010 21 '885 4.590 0.00 0.00 75 70 25. 35 34. 725 22,.955 4.810 0.00 0.00 100 94 22. 71 34. 974 24,.015 4.640 0.00 0.00 125 141 i6. 56 34. 618 25,.342 3.800 6.82 0.12 175 164 14.:31 34. 450 25..715 2.110 20.69 0.00 300 0. 660 31.72 0.00 400 0.830 32.24 0.00 500 0. 660 29.16 0.00 1000 0.910 31.21 0.00 Depth Phosphate Silicate Chloro Phseo FQFA 0 0.02 0.00 0.072 0.027 1.80 25 0.02 0.00 0.058 0.030 1.73 50 0.02 0.00 0.072 0.027 1.80 75 0.02 0.30 0.222 0.127 1.70 100 0.02 0.70 0.310 0.337 1.53 125 0.20 4.50 0.259 0.353 1.47 175 0.99 18.00 0.056 0.105 1.38 300 1.75 35.00 400 1.75 40,00 500 1.40 30.20 1000 1.47 43.00 CARBON REPORT 7. S. I. Depth Chl s. Phaeo Carbon Prod Ind Int Dep 100.0 0 0.072 0.027 1.77 24.58 0.0 50.0 25 0.058 0.030 2.46 42.41 11.0 30.0 25 0.058 0.030 0.84 14.48 i9.0 15.0 50 0.070 0.030 1.33 19.00 30.0 5.0 75 0.220 0.130 0.86 3.91 47.5 1.0 125 0.280 0.340 0.26 1.00 73.0 0.1 175 0.060 0.100 0.02 0.33 147.0 INTE6RATED VALUES (Integrated To 0.1 7.5.1.) Chlorophyll a 23.38 MG/K2 Carbon Fixation 93.20 M6/M2/Dfi Phaeophytin 24.35 ME/M2 Productivity Inde>? 3.99 MB-C/MB-CHL/Dft &Outreach&\\& 16 15-501 Nasher Museum Duke Gardens East Campus Perkins Library Duke Chapel Wallace Wade Stadium Gargoyle Medical Center French Science Center Duke Forest Kilgo Quad Cameron Indoor Stadium Chapel Drive West Union Fitzpatrick Center Wilson Rec Duke Gardens Crowell Quad Mill Village West Union Quad East Campus Union The Ark Wilson Residence Hall Bell Tower Williams Field Baldwin Auditorium Lilly Library ERWIN ROAD ERWIN ROAD MARKHAM AVENUE east Campus uke University traces its roots to 1838, when it was established as Union Institute in Randolph County, North Carolina. In Branson 1892 the school—renamed Trinity College—relocated to Durham on what is now East Campus. In 1924, Trinity College, a 17 As you begin your East Campus tour near the North Building Phytotron main bus stop, you’ll be in the midst of many of the Baldwin Environment Hall VA Hospital Auditorium long-time beneficiary of Duke family generosity, became the nucleus of Duke University. With a $21 million gift from James Biddle MORREENE RD Greenhouses East Campus residence halls, home to all first-year Art D To Duke Forest/Lemur Ctr W E Music Bldg. Bishop's House CIRCUIT DRIVE Building 21 B. Duke, West Campus was created and East Campus was rebuilt. Today, Duke consists of a breathtaking 9,350-acre campus that CIRCUIT DR students. Although students are assigned randomly WXDU Radio (Continuing Ed) includes two undergraduate schools, nine graduate and professional schools, a world-renowned medical center, a 7,900-acre forest, and Eye Center to housing, they can state preferences French Science Center D Levine Science Research Center 22 To NC 15-501 and I-85 S Hall a beautiful 55-acre garden. The best way to appreciate all that Duke has to offer is to see the campus firsthand. Fuqua for single rooms, single-sex or coed Hall Bassett Res. Bassett School D RESEARCH DRIVE Brookwood Bivins Bldg. Res. Pegram Gross Inn halls, and specific roommates. R. David 20 of Law Hall North Bldg FULTON STREET West Campus 9 On the right is the Bryan University Center, home Thomas Business School Biological courtyard Physics 18 Head up the quad, along the right- Benjamin Duke Center Sciences and Math Engineering Library and Teer Bryan Seeley Statue Academic Advising to several student organizations, theaters, dining D Engineering Administration Research Bldg hand sidewalk, to the East Campus Center 1 The tour begins on Chapel Drive as you walk toward Hall Hudson Hall Mudd Hall (Searle Ctr) Duke Hospital Brown Res.