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8/6/2019 C-MORE 4: Our view from the COOL room: Building technology & hopefully knowledge in the coastal ocean
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Ou
Bu
kn
OscG
alofromMa
DelaLamo
GGoBe
Oliver
Welcome to my lab
Grand Challenges?
-Humans have already altered theEarth system
-Quantitative understanding of theEarth system will require the human
processes to be included
-The cost of integrated global systemwill require ocean observatory
networks need to be dual use to allow
for sustained supportFriday, July 1, 2011
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MVCO/CBLAST
S W 0 6
L a T T
E
E S P r e
S S O /
M A R C
O O SDelaware
N E N A
C u b a
t o G r
a n d B
a n k s
( n e s t e
d w i t h
i n H y
C O M
o r M e
r c a t o r
) M A
B - G o M
( H a t t e
r a s t o
H a l i f a
x )
Hudson River
Nested Ocean Models
+ =S4DVAR procedure
LagrangefunctionLagrangemultiplier
At extremaof , we require:
S4DVAR procedure:
( 1) C ho os e an(2) Integrate NLROMS and compute J
(3) Integrate ADROMS to get
( 4) C om pu te
(5) Use a descent algorithm to determine a down gradientcorrection to that will yield asmallervalue of J
(6) Back to (2)untilconverged
( )
( )
1
1
0 ( ) 0
0 0
0 (0) (0) 0 &(0)
0 ( ) 0 . .( )
ii i
i
T T i
i im m mi
b
d L NLROMS
dt
d L ADROMS
dt L
coupling of NL ADROMS
Lic of ADROMS
!
" "
#
#
$% = & # # =' $'' $ $( )= & # # # # =' * +'$ $, -.
$' = & # # =' $'
$' = & =' $/
xN x F
N H O Hx y
x x
B x x x
x
1( ) ( )
N T
ii i ii
d L J dt =
( )= + # #* +, -0
xx N x F ( )i i t = 1F F
( )i
i t 2 1
x x
( ) ( )i it i t 2 2 1
L
(0) b=x x[0, ]t " 3[ , 0 ]t " 3 (0)
( )1 (0) (0)(0) b J #$ = # #
$B x x
x(0)x
Nested Models Data Assimilation 4-D Forecasts
+ =
3-D NowcastsRemote Sensing Robots
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Tropical Storms
Population
Critical
Habitat Climate Change
OceanCirculation
What are the drivers of variability in my laboratory?
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SST
CHL
CHL
Schofield et al 2002Glenn & Schofield 2003 Glenn & Schofield 2009
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Hypoxia& Anoxia
ScottGlenn
JosKo
RobertChant
JohnWilkin
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40N
74W75W
39N
Temperature oC19 20 21 22 24
July 6, 98 - AVHRR
FieldStation
LEO
74W75W
FieldStation
Chlor-a (mg/m 3).1 .3 .5 1 2 4
July 11, 98 - SeaWiFS
LEO
HistoricalHypoxia/Anoxia
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A)
1 m s -1
North
Barnegatdelta
Cape Maydelta
LEOdelta
Te
w i n d
D) 8/5/93CTD Transect
B)
C)
E)
F) CODAR & SST
Song et al(JGR) 2002Friday, July 1, 2011
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30 X 30 km LEO CPSEAn Integrated Observatory
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Air-Sea InteractionModel
ROMSOcean Model
(KPP and MY 2.5Turbulent Closure)
Bottom BoundaryLayer Model
OperationalLow-Res COAMPS
Atmospheric
Model
ExperimentalHigh-Res RAMS
Atmospheric
Model
Atmosphere/Ocean Physical/Biological Forecast Models
ROMsAssimilation
MODASAssimilation
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Month Long Experimental Effort
2001 Real-time Ensemble Forecasts
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July, 2001 18 19 20 21
2
4
6
8
10
12
D e p
t h ( m )
Thermistor 2
4
6
8
10
12
D e p
t h ( m )
July, 2001 18 19 20 21
HR COAMPS / ROMS
KPP
2
4
6
8
10
12
D e p
t h ( m )
July, 2001 18 19 20 21
MY2.5
-!In an observationally richenvironment, ensemble forecasts
can be compared to real-time datato assess which model is closer to reali
and try to understand why.
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Shipboard surveys
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N o r t h
S o u t h
1 5 m
6
NorthFluorometer
South, offshore flow
Adaptive Sampling of Resolved Scales- Shipboard & AUV surveys
NorthVelocity
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D e p
t h ( m )
1
12
6
600 30Time (hr)
A b s o r p
t i o n a t
4 4 0 n m
( m - 1 )
1.0
0
Tidal cycle Upwelling
Optical profiler deployed on LEO-15 guest port
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r 2 = .95
r 2 = .74
POC represents potentially182 mol oxygen/kgUpwelling can account
For spatially distributionof recurrent upwelling eddies
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Science focus Land-Ocean : How does the dynamicsoceanography influence the transport and transformat
particulate and dissolved matter in coastal buoyant
Geyer and Fo
Downwelling Upwellin
Southern flowingturbid plume
Eastern offshore fshallow turbid p
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Input of organic matter is pulsed to coastal system as floods and punctuatedtidal squirts. Example, a tidal bore as it flows past the R/V Cape Hatteras
Salinity
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Wind data from NOAA NDBC station at Ambrose Light
HF RADAR tracking and dye labeling of plume
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Wind data from NOAA NDBC station at Ambrose Light
HF RADAR tracking and dye labeling of plume
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Wind data from NOAA NDBC station at Ambrose Light
HF RADAR tracking and dye labeling of plume
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Wind data from NOAA NDBC station at Ambrose Light
HF RADAR tracking and dye labeling of plume
Friday, July 1, 2011
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Wind data from NOAA NDBC station at Ambrose Light
HF RADAR tracking and dye labeling of plume
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Wind data from NOAA NDBC station at Ambrose Light
HF RADAR tracking and dye labeling of plume
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Wind data from NOAA NDBC station at Ambrose Light
HF RADAR tracking and dye labeling of plume
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Wind data from NOAA NDBC station at Ambrose Light
HF RADAR tracking and dye labeling of plume
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Wind data from NOAA NDBC station at Ambrose Light
HF RADAR tracking and dye labeling of plume
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Wind data from NOAA NDBC station at Ambrose Light
HF RADAR tracking and dye labeling of plume
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Wind data from NOAA NDBC station at Ambrose Light
HF RADAR tracking and dye labeling of plume
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0
1 2 3 4 5
4/17/2005 4/18/2005 4/19/2005 Date
0 2 4 6 8
10 12 14
4/10/2005 4/11/2005 4/12/2005 4/13/2005 Date
P r o d
u c t i v i t y ( m g C / m ^ 3 / h r )
New Plume Old Plume
00.2
0.4
0.6
0.8
1
% c
a r b o n
f i x e
d
> 20 um 2 - 20 um
< 2 um
Stephanopyxis sp.
Thalassiosira
Lauderia
Skeletonema
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Ocean
Hudson Bay
Salinity
P e r c e n
t O x y g e n
S a
t u r a
t i o n
un
d e r
s a t ur
a t e d
s u p e r
s t a ur
a t e d
LATTE April 2005
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>20 m particulate trace metals and phosphorus - Ag, Al, Cr, Cu, Fe, P, Pb
s a
l i n
i t y
50 ng L -1
(Al, Fe, P g L -1;Ag x 10, Al x 5, P x 10)
Friday, July 1, 2011
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Freshwater Plume Moves Out Across the Shelf:Hudson Shelf Valley
Friday, July 1, 2011
L TTE 2005 P t I j ti 2 Fi l hi b d
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LaTTE 2005 -Post Injection 2 Final shipboard surAfter luring the Cape Hatteras offshore.
The survey began on the HighwaWe were near the glider when itsurfaced. We saw currents rippingsouthward in a 10 m thick layer offreshwater along the highway --perhaps the most significantfreshwater transport we saw allweek.
Perhaps the most perplexinme is the Highway and why therehas been a lack of a strong coastalltrapped flow this week.
--- Bob Chant aboard the CapeHatteras, April 21, 2005
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Castaleo et al. 2008, 2010
MAdo
hydrogr
Temperextreme,
on
Salininsh
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EOF1: Winter (Nov-Feb)
EOF2: Spring (March-June)
EOF 1
EOF 2
a
c
Yi et
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january december
EOF2
january december
SSTPAR
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Water column
Sediment
NO 3 NH 4
Phytoplankton Zooplankton
Largedetritus Small
detritus
N 2NH 4 NO 3
Organic matter
Mineralization
Nitrification
D e n i t r i f i c a t i o n
M o r t a l i t y
Gr a zin g
Nitrification
Fennel et al., 2006
MN
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w
durs
ph
1975 2010Year
F i l t e r c o
l o r
Z o o pl ank t on
( A D C P
)
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WHERE DO WE GO FROM HERE?
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WHERE DO WE GO FROM HERE?
Machines have improved
A technicians solutionin integrating the observatory
components
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WHERE DO WE GO FROM HERE?
Machines have improved
A technicians solutionin integrating the observatory
components
People need to sleepand are fragile
Humans become thebottle neck for
collecting data bytes
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WHERE DO WE GO FROM HERE?
Machines have improved
A technicians solutionin integrating the observatory
components
People need to sleepand are fragile
Humans become thebottle neck for
collecting data bytes
Scientists nto t
Oscar treintegrasociety a
LATTE exp
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Science Community Workshop 1 5
Observatory (simulated) data
Virtual Ocean
Design, Testing and Deploy
Models
Data Assimilation
DataAnalysis
Science Questions & Drivers
~100 m
~3 kmSensor &Platform
Data Synthesis: Nowcast & Data Impact
Idea of Test(May 2009)
Virtual Test(Sep 2009)
Wet Test(Nov 2009)
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Scientists were distributed throughout the country & interacted in real-t
Community BlogData Portal
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Weathe
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5 differentsatellitesensors
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Model A Model B
Model CModel D
5 ocean numericalmodels run inforecast mode:
2 versions of ROMS2 versions of HOPs1 version of POM
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Ensemble
Model
SST Obs.
Scientists could compare observations (single platform or means) with models (individual or mea
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The same for in situ measurements
Science Community Workshop 1 13
Model A Model B Model C Model D
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Discussion during experiment develops new tools during the experiment
Equal Weighting Objective Weighting
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Observation model comparisons spurred discussion on tools for synth
HF Radar Obs Ensemble Model
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Ensemble meanmodel
Variance com
Variance com
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! Known constraints (slow0.5 knot, Battery, shippinglanes)
! Uncertain constraints (time-varying 3D currents)
! Operate autonomously &re-plan daily
! From A to B in theshortest time
! Follow a time-varyingfeature (shelf-slopesalinity intrusion)
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Distributed decisionmaking
using live webservice tools
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Increase model resolution Reduce forecast error
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Science Community Workshop 1 25
Op-Box determined by ASPEN
!MOOS-IvP autonomy on-boardeach IVER AUV
!Real-Time communicationbetween AUVs and shore usingacoustic modems
!Environmental sampling usingCTD
Arabella track
Hammerhead track
HammerheadMIT/NUWC
RemusRutgers
GreatwhiteCal. Poly
High resolutionunderwater planning
Smart robots
Distributedcontrol
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OthRutgers Web Site Statistics
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Rutgers Web Site StatisticsBy Hour
0 1000 2000
3000 4000 5000
6000 7000 8000
0 : 0 0
3 :
0 0 6 :
0 0 9 :
0 0 1 2
: 0 0 1 5
: 0 0 1 8
: 0 0 2 1
: 0 0
A v e r a g e
H o u r l y H
i t s
General Public69%
Other14%
MGover