Proposed Area of Excellence and Cluster HireProposed Area of Excellence and Cluster Hire in Climate...
Transcript of Proposed Area of Excellence and Cluster HireProposed Area of Excellence and Cluster Hire in Climate...
![Page 1: Proposed Area of Excellence and Cluster HireProposed Area of Excellence and Cluster Hire in Climate and Sustainability Studies Walter Oechel (Biology; Co-Point of Contact), Samuel](https://reader034.fdocuments.us/reader034/viewer/2022043005/5f89fd85d211c14c7a24097d/html5/thumbnails/1.jpg)
Proposed Area of Excellence and Cluster Hire
in Climate and Sustainability Studies
Walter Oechel (Biology; Co-Point of Contact),
Samuel Shen (Math and Stats; Co-Point of Contact), Trent Biggs (Geography), Chun-Ta Lai (Biology),
Matthew Lauer (Anthropology)
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Climate change is one of the major challenges of the century
§ We know that climate is changing, but we do not know the regional impacts.
§ Appropriate scale is critical § Current GCMs operate at a scale to course
(50-100 kms) to inform policy and conservation.
Simulated precipitation over California in 2070–2099 (mm/day)
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Objectives and Central Questions
• Objective: • To become a world-class, interdisciplinary center in
climate and sustainability studies.
• Central questions: • How will the climate change in specific regions? • How will ecosystems and humans be impacted by
climate change? • How will ecosystems and humans feedback and impact
climate change?
Natural Systems Climate Hydrologic Cycles Ecosystems
Human Systems
Agriculture Water Supply
Risk Assessment Civilizations
Sustainability
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Ecosystems: Carbon and water
(Oechel, Lipson, Lai)
Human-
environment interactions
(Braje, Lauer)
Climate uncertainty
analysis (Shen)
Water, Watersheds And Land-Use
(Biggs)
Climate and Sustainability
in Regions
Existing strengths and links
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Ecosystems: Carbon and water (Oechel, Lipson,
Lai)
Human-environment interactions
(Braje, Lauer)
Climate uncertainty
analysis (Shen)
Watersheds, land use and water
(Biggs)
Climate and Sustainability
in Regions
Existing strengths and links
Human-climate archaeology, paleoclimate
Ecosystems-Land-atmosphere interactions modeling
Regional climate change modeling
Next generation climate modeling
aerosols and clouds
Current gaps and new hires
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Increased funding opportunities
The hires enable our group to build on current expertise and apply for substantial funding, such as:
� NSF EaSM, IGERT, ARCSS � (Earth system modeling program), $2m for 5 years. � (Integrative Graduate Education and Research Traineeship
Program) $1.5 M for 5 years. � (Arctic System Science) $2.0 for 5 years.
� DOE Center Grant: � (Mathematical Multifaceted Integrated Capability Centers)
$2.5m for 5 years
� NASA Arctic ABoVE program (Arctic-Boreal Vulnerability Experiment) $2.2m for 5 years
Goal: to double funding to $5m/y
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Communication and Coordination This Area of Excellence collaborates through a new Center for Climate and Sustainability Studies (C2S2) with:
� A Stakeholder and Expert Advisory Board to meet annually � Steering Committee from C2S2 faculty
� Monthly Seminars and hosting International conferences and meetings
� Monthly project meetings, frequent meetings on funding opportunities
� Joint supervision of Graduate Students (Ph.D. and M.Sc.)
� Support for SDSU Programs including the Sustainability Major and Environmental Sciences Major
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C2S2 will support SDSU’s strategic plan of regional and international outreach
� New: Stakeholder round table on climate and sustainability (policy makers, regulators, NGOs, business, utilities, educators)
� Enhance: Current K-12 Education. (e.g. NSF, County Office of Education)
� Enhance: Collaboration with CICESE in Ensenada, BC Mx (Center for Scientific Research and Higher Education)
� Enhance: The SDSU IRIP Program Development (including with Mexico, Italy, France, U.K., and China) (International Research Internship Program)
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C2S2’s unique regional distinction � Our goal is that C2S2 be equal in reputation to, but
distinct from, climate studies at Scripps Institution of Oceanography (SIO)
� We are distinct in the following areas:
� Impacts of climate change on ecosystems
� Ecosystem feedbacks on climate change
� Uncertainty quantification of climate change
� Risk assessment
� Human-Climate Interactions
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In summary, C2S2 will bring increased regional and international recognition to SDSU in the area of
Climate and Sustainability Studies
and
Will solve critical issues facing humankind
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Hire in Biology: Ecosystem Land Surface Modeler • Use Regional Climate model output to predict • Greenhouse Gas Fluxes and Feedbacks • Vegetation, biodiversity, reserve areas • Water use and yield • Agricultural Productivity, incl. vineyards
• Highly desirable to funding agencies: including NSF, NASA, DOE, USDA
GHGs CO2, CH4, N2O
Vegetation Change Water Yield, Drought Surface Energy Balance
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Hire in Mathematics: Climate mathematician for the next generation of cloud-resolving models
Stochastic flux of cloud base mass
Evaporation
Solar radiation Stochastic trigger for precipitation
§ Random cloud, precipitation, and aerosol § Uncertainty principle in climate models § Ecological and human-climate dynamics § NSF EaSM and DOE MMICC Center programs
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Hire in Anthropology: Archaeologist of Human-Environmental Dynamics
Will Expand Anthropology with focus on: • Ancient Human->Climate and
Climate->Human impacts and Interactions
• Remote sensing, GIS modeling, isotopic analysis
• Examples of Human->Climate and Climate->Human Interactions and Feedbacks
• Funding: NSF Coupled Natural and Human Systems Maya Collapse
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Hire in Geography: Regional climate modeler
- Impact assessment requires regional climate simulations - Topography is important - Ocean-land interaction is important
Precipitation over California in 2070–2099 (mm/day) (Maurer, 2012)
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Potential Research Collaborations
Walter Oechel
C2S2
February 17, 2017
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Sky Oaks Old Stand 1997-Current
(Burned 2003) Continued in 2003 after the fire….
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NEE
(mg
CO2
m-2
s-1
)
-0.20
-0.15
-0.10
-0.05
0.00
0.05
0.10
DryWinterGrowing
Hour
0 2 4 6 8 10 12 14 16 18 20 22 24
ET (m
g H 2
O m
-2 s
-1)
-10
0
10
20
30
40
50 DryWinterGrowing
(a)
(b)
E
T (m
g H
2O m
-2 s
-1)
N
EE
(mg
CO
2 m-2
s-1
) Sky Okas 1997-2003
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(a)
y = -0.39x + 46.89R2 = 0.55
-350
-300
-250
-200
-150
-100
-50
0
50
100
0 100 200 300 400 500 600 700 800Annual rainfall (mm year-1)
Cum
ulat
ive
NEE
(gC
m-2
yea
r-1) (b) y = 0.40x + 226.94
R2 = 0.33
0
100
200
300
400
500
600
700
0 100 200 300 400 500 600 700 800
Annual precipitation (mm year-1)
Ann
ual E
T (m
m y
ear-1
)
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2000 (typical year)
Month
Dai
ly N
EE (g
C m
-2 d
-1)
-5
-4
-3
-2
-1
0
1
2
3
2002 (drought year)
Month
Dai
ly N
EE (g
C m
-2 d
-1)
-5
-4
-3
-2
-1
0
1
2
3
Sink
Source
Sink
Source
Month
Dai
ly E
T (m
m d
-1)
0
1
2
3
Month
Dai
ly E
T (m
m d
-1)
0
1
2
3
Month
Jan Mar May Jul Sep Nov Dai
ly p
reci
pita
tion
(mm
d-1
)
0
10
20
30
40
Month
Jan Mar May Jul Sep Nov Jan Dai
ly p
reci
pita
tion
(mm
d-1
)
0
10
20
30
40
Dai
ly p
pt (m
m d
-1)
D
aily
ET
(mm
d-1
)
Dai
ly N
EE
(gC
m-2
d-1
)
Dai
ly p
pt (m
m d
-1)
D
aily
ET
(mm
d-1
)
Dai
ly N
EE
(gC
m-2
d-1
)
254 mm 151 mm
428 mm 116 mm
-152 gC
+50 gC
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Annual Chaparral NEE with time after fire
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Young Stand (0-8 years old) Cumulative CO2 uptake
2000-2006
ppt, mm 233 401 151 386 595 716 297
Fire 2003
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Old Stand (> 150 years old) Cumulative CO2 uptake 2000-2006
ppt, mm 233 401 151 386 595 716 297
Fire 2003
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TERRESTRIAL CARBON FLUX
� Even though chaparral will periodically burn, it can still act as a net CO2 sink.
� Chaparral ecosystems are a significant CO2 sink
� Old stands can be maintained for carbon sequestration and wildlife habitat
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LIKELY REGIONAL OUTCOMES OF GLOBAL CHANGE
� Reduced utility of MSCP and conservation reserves (without major redesign)
� Decreased Biodiversity
� Increased summer monsoons
� Increased climate variability
� Decreased runoff
� Increased drought
� Increased wildfire frequency and/or intensity (Increased fuels, increased fire weather, increased climate variability (wet and then dry)
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EFFECTS OF ANTECEDENT PRECIPITATION, STAND AGE, AND FIRE ON THE RESPONSE OF ECOSYSTEM FUNCTIONING TO DROUGHT IN ARID AND SEMI-ARID ECOSYSTEMS OF NORTH AMERICA
Walter C Oechel1, Thomas Bell2, Kristen Freeman1, Beniaminio Gioli3, Hiroki Ikawa1, Aram Kalhori1, William Lawrence4, Patrick
Murphy1, Alessandra Rossi1
1San Diego State University, United States of America; 2University of California, Santa Barbara, United States of America; 3IBIMET, CNR, Florence, Italy; 4Bowie
State University, United States of America
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LA PAZ
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La Paz Study Site Climate
• Hot Arid Climate – Köeppen’s Climate
Classification System
• Average Precipitation – 176.1 mm with majority
during late summer monsoon events
• Average Temperature – 23.6 ºC with summertime
highs >40 ºC
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Cardon Larrea desert
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Inter-annualVariabilityofNEEwithPrecipita8on
-100
0
100
200
300
400
2001 2002 2003 2004 2005 2006 2007 2008
mm
/ g
C m
-2 y
r-1
NEE
Precipitation
ID ID
ID = Incomplete NEE Data Bell et al., 2012
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SeasonalVariabilityofNEEwithPrecipita8on
Hastings et al., 2005
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Molly Clemens, jDPE David Lipson Walt Oechel
CLIMATE CHANGE EFFECTS ON VINES AND WINES
20
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SALIENT RESEARCH QUESTIONS
� Investigate the role of rising atmospheric carbon dioxide and temperature on wine quality
� How can we work with vineyard owners on sustainable viticulture � Water use � Carbon sequestration � Temperature tolerance
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EXPERIMENTAL VINEYARD LOCATION
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PAIRED WITH GREENHOUSE EXPERIMENTS
� Greenhouse project currently funded and underway
� Using temperature gradient and CO2 enrichment
� Necessary to assess berry quality long term
� Measurements to be taken:
� rates of evapotranspiration, soil salinity, berry salinity, xylem embolism
� Dry irrigation is a possibility for the future, many vineyards are switching to this more sustainable method
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Year Cost Offset Anticipated Direct Costs Covered
Yield Anticipated Indirect Benefits
Total Direct Cost/Productivity:
2016 40,900 0 -$40,900
2017 8,200 0 -$8,200
2018 8,200 0 -$8,200
2019 8,660 3,000 + -$5,660
2020 8,890 4,800 A + $4,090
2021 9,120 12,600 A + B, C, D $3,480
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FLUX AIRCRAFT TO MEASURE REGIONAL CO2 AND CH4 FLUXES (MOBILE FLUX PLATFORM CAN BE TRANSFERRED)
laser altimeter (Riegl) &
infrared surface temperature (Everest)
methane sensor
(LI-7700)
CO2/H2O analyzer (LI-7500)
temperature (thin-wire
thermocouple)
pressure, wind speed and
direction (BAT-probe)
Back at elevator wing: net radiation (Kipp &
Zonen) & PAR in/out (LI-190)
Novatel INS System (Not SDN500)
27
Regional scale
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MAGDALENA BAY STUDY AREA
Zulueta, Oechel et al. JTECH 2013
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AIRCRAFT NDVI (LEAF AREA), CO2 SEQUESTRATION
Zulueta, Oechel et al. JTECH 2013
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MANGROVE CO2 SEQUESTRATION VS NDVI (LEAF AREA)
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SCRIPPS PIER, SAN DIEGO
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BOAT BASED FLUX MEASUREMENTS, SAN DIEGO
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Ocean CO2 uptake, Skadberg and Oechel unpubl.
February October June
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Figure Sampling path across San Diego Bay and the CO2 concentrations measured Alexander Carsh JPDE
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Tributary of the Kapuas River, Borneo
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0:30N
0
0:30S
109E
109:3
0E
110E
Land cover CO2 flux
0.5 kg m−2 d−1
1.0 kg m−2 d−1
Projection: UTM 49 N, WGS 84
N
0 10 20 30 40
kilometers
Water
Mangrove
Peat Swamp Forest
Lowland Forest
Lower Montane Forest
Upper Montane Forest
Plantation / Regrowth
Lowland Mosaic
Montane Mosaic
Lowland Open
Montane Open
Urban
Large Scale Palm Plantation
CO2 Flux In Kapuas River, Tributaries,
and Estuary August 2010
0:30°S-0:30°N lat. 109°E-110°N long
0.5 g m-2 d-1
1.0 g m-2 d-2
7.0 g m-2 d-2
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