Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson
description
Transcript of Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson
![Page 1: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/1.jpg)
Retrieval of Time-Varying Land Cover Retrieval of Time-Varying Land Cover and Vegetation Properties from and Vegetation Properties from
MODIS in Support of the NCEP-WRF MODIS in Support of the NCEP-WRF Land Surface ModelLand Surface Model
Year 1 Progress ReportYear 1 Progress Report
Mark Friedl, Angela Martin, Bin Tan, Bruce AndersonMark Friedl, Angela Martin, Bin Tan, Bruce Anderson
Department of Geography & EnvironmentDepartment of Geography & EnvironmentCenter for Remote SensingCenter for Remote Sensing
Boston UniversityBoston University
![Page 2: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/2.jpg)
Project OverviewProject Overview Key ObjectivesKey Objectives
• Provide updated land data sets to NCEP Provide updated land data sets to NCEP for use in Noah land model for use in Noah land model based on based on MODIS land productsMODIS land products suite suite
• Evaluate differences with existing Evaluate differences with existing AVHRR data setsAVHRR data sets
• Assess influence on Noah land model Assess influence on Noah land model performanceperformance
![Page 3: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/3.jpg)
Deliverables: Land CoverDeliverables: Land Cover Global; 1 km; Static; Gap filledGlobal; 1 km; Static; Gap filled SiB/UMd classesSiB/UMd classes Investigating provision of USGS classesInvestigating provision of USGS classes
Current 0.125o land cover used in NLDAS
![Page 4: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/4.jpg)
Deliverables: AlbedoDeliverables: Albedo Global; 1,2 km, 0.05 Degrees; Gap filledGlobal; 1,2 km, 0.05 Degrees; Gap filled 16-day climatology based on 2000-200516-day climatology based on 2000-2005 Black skyBlack sky (beam); White sky (diffuse) (beam); White sky (diffuse)
• Broadband (0.4-3.5);Broadband (0.4-3.5); visible (0.4-0.7); SWIR(0.7-3.5) visible (0.4-0.7); SWIR(0.7-3.5)
0.125o Albedo for June used in NLDAS
![Page 5: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/5.jpg)
Deliverables: Leaf Area IndexDeliverables: Leaf Area Index
GlobalGlobal 1 km1 km Gap filledGap filled 8-day climatology 8-day climatology
based on 2000-2005based on 2000-2005 Scheduled to begin Scheduled to begin
work in Summer 2005work in Summer 2005
![Page 6: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/6.jpg)
Progress to Date: Land CoverProgress to Date: Land Cover
Data Set for UMd/SiB classes mostly completeData Set for UMd/SiB classes mostly complete Currently comparing MODIS LC against existing Currently comparing MODIS LC against existing
NLDAS LC data set from AVHRRNLDAS LC data set from AVHRR Require: Require:
• NCEP global land cover data set for comparisonNCEP global land cover data set for comparison• Feedback regarding semantics of class definitionsFeedback regarding semantics of class definitions• e.g.: “groundcover” = grassland; tundra class?e.g.: “groundcover” = grassland; tundra class?
Target: Target: • Deliver final data sets to NCEP by end of year 1 funding Deliver final data sets to NCEP by end of year 1 funding
(July 31)(July 31)
![Page 7: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/7.jpg)
Progress to Date: AlbedoProgress to Date: Albedo
Data compilation ongoing: near completionData compilation ongoing: near completion Data sets includeData sets include
• 2 km, 16-day global gap-filled 2 km, 16-day global gap-filled climatologyclimatology for ’00-04 for ’00-04 Courtesy of Eric Moody, Mike King, Crystal Schaaf et alCourtesy of Eric Moody, Mike King, Crystal Schaaf et al Waiting for spectral/white sky data sets (end of April)Waiting for spectral/white sky data sets (end of April)
• 1 km, 16-day global from original product1 km, 16-day global from original product Includes missing valuesIncludes missing values
• Spatially averaged 16-day 0.05 degree CMGSpatially averaged 16-day 0.05 degree CMG
Currently evaluating different data setsCurrently evaluating different data sets Target: Deliver final data sets to NCEP by end of Target: Deliver final data sets to NCEP by end of
year 1 funding (July 31)year 1 funding (July 31)
![Page 8: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/8.jpg)
Sample Results: Land CoverSample Results: Land Cover
NLDAS Land Cover @ 1/8 Degrees
MODIS Land Cover @ 1/8 Degrees
![Page 9: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/9.jpg)
NLDAS vs MODIS Land CoverNLDAS vs MODIS Land CoverDifferent Representations/DistributionsDifferent Representations/Distributions
0 2 4 6 8 10 12 14
050
010
0015
00
NLDAS
0 2 4 6 8 10 12 14
050
010
0015
0020
00
MODIS
Land Cover at 1/8 Degree Land Cover at 1 km
![Page 10: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/10.jpg)
Sample Results: AlbedoSample Results: Albedo 2-Km Average Albedo for June from MODIS2-Km Average Albedo for June from MODIS
![Page 11: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/11.jpg)
Results: AlbedoResults: Albedo 1/8 Degree Average Albedo for June from MODIS1/8 Degree Average Albedo for June from MODIS
![Page 12: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/12.jpg)
Sample Results: AlbedoSample Results: Albedo 1/8 Degree NLDAS Albedo for June 1/8 Degree NLDAS Albedo for June
![Page 13: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/13.jpg)
Sample Results: AlbedoSample Results: Albedo Comparison between NLDAS albedo and MODIS at 1/8 degreeComparison between NLDAS albedo and MODIS at 1/8 degree
Julian Date
100 150 200 250 300
0.10
0.15
0.20
0.25
Mean Albedo - Class 2
NLDASMODIS
Julian Date
100 150 200 250 300
0.10
0.15
0.20
0.25
Mean Albedo - Class 3
NLDASMODIS
Julian Date
100 150 200 250 300
0.10
0.15
0.20
0.25
Mean Albedo - Class 4
NLDASMODIS
Julian Date
100 150 200 250 300
0.10
0.15
0.20
0.25
Mean Albedo - Class 6
NLDASMODIS
![Page 14: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/14.jpg)
Sample Results: AlbedoSample Results: Albedo Comparison between NLDAS albedo and MODIS at 1/8 degreeComparison between NLDAS albedo and MODIS at 1/8 degree
Julian Date
100 150 200 250 300
0.10
0.15
0.20
0.25
Mean Albedo - Class 7
NLDASMODIS
Julian Date
100 150 200 250 300
0.10
0.15
0.20
0.25
Mean Albedo - Class 8
NLDASMODIS
Julian Date
100 150 200 250 300
0.10
0.15
0.20
0.25
Mean Albedo - Class 11
NLDASMODIS
Julian Date
100 150 200 250 300
0.10
0.15
0.20
0.25
Mean Albedo - Class 12
NLDASMODIS
![Page 15: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/15.jpg)
Sample Results: Sample Results: AlbedoAlbedo
Comparison bwtn 1 km MODIS albedo and 1/8 degree NLDAS albedo
NLDAS Albedo has positive bias and reduced dynamic range relative to MODIS albedo
![Page 16: Year 1 Progress Report Mark Friedl, Angela Martin, Bin Tan, Bruce Anderson](https://reader033.fdocuments.net/reader033/viewer/2022042704/56816393550346895dd48b86/html5/thumbnails/16.jpg)
Future Plans/TimelineFuture Plans/Timeline Land coverLand cover
• Finalize SiB land cover database & deliver to NCEP summer Finalize SiB land cover database & deliver to NCEP summer 20052005
• Continue work on USGS databaseContinue work on USGS database AlbedoAlbedo
• Continue analysis of MODIS albedo productsContinue analysis of MODIS albedo products Comparison with existing NCEP datasetsComparison with existing NCEP datasets
• Deliver global database summer 2005Deliver global database summer 2005 Leaf Area IndexLeaf Area Index
• Initial dataset compilation has been initiatedInitial dataset compilation has been initiated• Plans to increase effort in this area in Year 2 (starting late Plans to increase effort in this area in Year 2 (starting late
summer 2005)summer 2005) Modeling analyses Modeling analyses
• using Noah model to assess sensitivity of model to land using Noah model to assess sensitivity of model to land cover, albedo, LAIcover, albedo, LAI