Remote Sensing in Support of NACP
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Remote Sensing in Support of NACP Jeffrey G. Masek Biospheric Sciences, NASA GSFC January 23, 2007. Outline. Introduction : Remote Sensing in the NACP Progress : Current activities and successes Gaps: What’s missing. Reconcile (?). CMDL. OCO. Aircraft. Top Down / Bottom Up.

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Remote Sensing in Support of NACP Jeffrey G. Masek Biospheric Sciences, NASA GSFC January 23, 2007

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Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

Remote Sensing in Support of NACP

Jeffrey G. Masek

Biospheric Sciences, NASA GSFC

January 23, 2007


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

Outline

  • Introduction: Remote Sensing in the NACP

  • Progress: Current activities and successes

  • Gaps: What’s missing


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

Reconcile (?)

CMDL

OCO

Aircraft

Top Down / Bottom Up

Atmospheric

(top down)

Atmospheric Transport Models

Land-Atmos C Flux

Land-Atmos C Flux

Cal/Val

Process Formulation

FluxNet

Process

Studies

Land-Atmos C Flux

BGC / Carbon Accounting Models

Process

(bottom up)

Satellite, Ecology, Inventory Data


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

Disturbance/ Land Use Change

(Landsat)

Biomass/Carbon Stocks

(MODIS, SAR, GLAS)

Climate & Biophysics:

VI, fPAR, LAI, Phytoplankton

Tsurf, Freeze/thaw

(MODIS, Seawifs, AVHRR…)

CO2, CH4 sampling

(OCO, A/C)

Timescales of NACP

Hourly

Monthly

Annual

Decadal

Century

Biome migration

Stress, LUE physiology

Interannual climate

Atmospheric CO2 transport

Ecosystem Disturbance

Forest recovery

Flux tower observations

NPP, NEP diagnostic modeling

NPP, NEP prognostic modeling


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

Progress to Date

5-10 years of EOS products, 26+ years of AVHRR, 35 years of Landsat data available

“Remote Sensing in NACP” Workshop, UMT, Aug 2004

MODIS standard products becoming easier to use

* ACCESS gap-filling, smoothing (Morisette)

* DC-MAST (Cook)

New products to support continental BGC modeling

* Disturbance (Landast/MODIS; Goward, Masek, Townsend)

* Freeze-thaw dynamics (SeaWinds; McDonald)

* Northern Wetlands (JERS, Moghaddam)

* Biomass (JERS, MODIS, GLAS; Saatchi, Kellendorfer)

* Crop Type (AWIFS; NASS)

* Fire Emissions (Giglio)

* Photosynthetically Active Radiation (MODIS, Liang)


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

MODIS4 NACP

PI: Jeff Morisette, NASA GSFC

Providing value-added MODIS data product to NACP investigators, including:- Reprojecting- Reformatting- Subsetting - Mosaicing- Stacking data through time- Updates for Collection 5 when available - Gap filling in both space and timePoster B.37 provides an update for this project

Orig. MODIS LAI

(black = missing)

(April 6, 2004)

Smoothed LAI

(April 6, 2004)

1 2 3 4 5 6

http://landweb.nascom.nasa.gov:8080/access.html


Integration with ornl daac visualization

MOD15A2

TIMESAT Smoothed

Average of 49 1 km pixels

Center pixel with Flux Tower

Integration with ORNL DAAC visualization

Walker Branch Watershed

From http://www.daac.ornl.gov/MODIS/modis.html


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

%disturbed / yr

0

>2.0

Forest Disturbance

LEDAPS Project

PI: Jeff Masek (NASA GSFC)

NACP Data Cubes

PI: Samuel Goward (UMD)

Landsat-based records of North American forest disturbance


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

Landsat mapped forest change between 1987 and 2005 in western Oregon

(Goward/Huang, UMD)


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

North American Biomass

J. Kellendorfer,

WHOI


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

North American Biomass

S. Saatchi (JPL) - Forest Woody Biomass Carbon Estimates of North America from Synergistic Analysis of MODIS, MISR, and JERS Data in Support of the North American Carbon Program


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

Current Activities (cont’d)

NACP process studies integrating remote sensing

* AVHRR greenness trends (Tucker)

* Soil freeze/thaw dynamics (Zhang)

* Plant community mapping (Chopping)

* Woody encroachment and grazing (Asner)

* Boreal fire disturbance and succession (Kasischke)

* Photochemistry of coastal DOC (Miller)

…. and many more

New algorithms for biophysical variables

* Evapotranspiration (Ustin)

* Light-Use Efficiency (Middleton)

* Crop GPP (Gitelson)

* Coastal pCO2 (Hales)


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

Remote Sensing Coastal pCO2

Average of all MODIS SST and Chl, all Quickscat wind stress magnitude for NA west coast, 0.25° resolution (Burke Hales, OSU)

SST

Chl

x+y


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

New Remote Sensing Missions

Orbiting Carbon Observatory (OCO)

* NASA ESSP mission, JPL lead

* passive, global column CO2

* 2008 launch

Landsat Data Continuity Mission (LDCM)

* NASA/USGS mission, GSFC lead

* RFP released January 10, 2007

* continues 30m, multispectral heritage

* 2011 target launch date

??

Visible/Infrared Imager/Radiometer Suite (VIIRS)

* NOAA/NASA/DOD instrument, IPO lead

* continues global capabilities of AVHRR, MODIS

* will fly aboard NPP and NPOESS missions

* 2009 launch (NPP)


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

Declining EO Capabilities


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

NRC Decadal Survey Priority Missions


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

What’s Missing?

1. Some useful information products for biogeochemical modeling are still missing

* Evapotranspiration, LUE (MODIS, Seawifs)

* Wetland extent, type, dynamics (SAR, MODIS, Landsat)

* Woody encroachment (Landsat, air photo, hyperspectral)

* Agricultural crop type (MODIS, Landsat)

* Permafrost / Arctic hydrology (SAR, MODIS)

* Foliar nitrogen (Hyperion)

  • Bridging the gap between algorithm development and continental products to support models

3. Support for “20-year time series” of measurements

* multi-instrument ESDR’s … coordination with NACP?

* need for annual Landsat land cover, disturbance, crops

* future data continuity (VIIRS, LDCM, etc)


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

What’s Missing? (cont’d)

  • Analysis of error propagation – from remote sensing measurements to modeled fluxes

    • * Model intercomparisons at NEP level?

5. Understanding RS-detected trends and patterns in terms of underlying biology

  • Community familiarity with OCO products, and how to use them within NACP context

7. New models that capitalize on the current range of RS products – not just NDVI


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

Conclusions

Remote Sensing essential for overarching NACP goal of continental carbon fluxes and attribution

Considerable progress since 2004 U. Montana workshop on

- data access

- product formats and usability

- carbon information needs from RS

Need to identify and prioritize the next set of RS activities to support NACP


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

Backup


Remote sensing in support of nacp jeffrey g masek biospheric sciences nasa gsfc january 23 2007

NACP-Related Datasets for Driving Carbon Calculations


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