Recent Remote Sensing Projects IMAGE2000 (2001) CORINE Land Cover 2000 (2002

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Recent Remote Sensing Projects IMAGE2000
(2001)CORINE Land Cover 2000 (2002
2004)EUROSION (2003)

• Dr. Anton Stoimenov,
• Head RSGIS Department,
• Space Research Institute
• Sofia, 27.10.2004

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IMAGE 2000 Orthorectification of 13 Landsat 7
ETM scenes over Bulgaria

• Anton Stoimenov, Ventseslav Dimitrov, Nikolina
  Pelova,
• Space Research Institute, Remote Sensing GIS
  Department
• Rumiana Vatseva Institute of Geography

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????? ?? ????? ????????? ????? ? ?????????????
??????????? ??Landsat 7 ???

• ?????? ?????
• 13 ?????????? Landsat 7 ETM ????? (12 ?? ???????
  ???? 2000 ?. ? ???? ???? 2001 ?.) ???? 1G,
  ??????? CD-R, ????????????? ????? ? ?????? ??
  ??????? 15 m
• ??????????? ????? ? 1 25 000 ? 1100 000
• ????????? ????????????? ??????? ? ???????
• ??????? ?? ????????? ?? ????- ? ??????????
  ??????????? ? ??? ?? ?????????? ????? PCI
  Geomatics 8.2 - ?????????? OrthoEngine ? FO?US
• ?????????? ?????????, ?????????? ?0 oce 6815 ?
  ?????? ?? Scanjet 2200c.

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??? ? ?????? ?? ??????????? 181/31
5
?????????? ?? ??? ? ????????????? ? ???????
6
????????? ? ??????

• ? ???????????? 13 ????? ?? ??????? ???? 352 ???,
  ???? 102 ?? ??? ?? ???? ?? ??? ??? ?????? ?????.
• ??????????? ???????? ?? ????????? ????? ? ?
  ????????? ?? 1 m (?????????? ?????) ?? 2200 m
  (????? ????? ????? ????).
• ???? ??? ??? ?? ? ????????? ???????? (??????? ??
  ????? ????? ?????, ???????? ?? ???? ? ???????
  ??????).
• ???????????? ???????? (?? ??????) ?? ????????
  ????? ?? ???????????. ???-????????
  ????????????????? ?????? ?? ??? ? 2.58 ???????, ?
  ???-??????? 0.36 ???????. ???????? ?????? ??
  ?????? ??????????? ? ??? 1 ??????.

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CORINE Land Cover 2000 Project
Anton Stoimenov, Ventseslav Dimitrov, Nikolina
Pelova, Nevena Borisova, Milena Danailova
Space Research Institute, Remote Sensing GIS
Section Rumiana Vatseva Institute of
Geography Youlin Tepeliev University of
Forestry
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AIMS, PRODUCTS

• National CLC2000
• geometric accuracy better than 100 meter
• thematic reliability better than 85
• National CLC changes between 1990 and 2000
• Revising national CLC90
• National metadata (per working unit)

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CONSISTENCY
To ensure consistency between the three
databases, the following condition have to be
fulfilled CLC2000 CLC90rev - CLC changes
(where -" means intersect)
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USES OF THE RESULTS AT EUROPEAN LEVEL

• Assessing impacts of policy against regional
  development perspectives, spatial planning
  (DG-REGIO, DG-ENL)
• Assessing impacts of agriculture policies on the
  environment (DG-AGRI, DG-ENL)
• New strategy on integrated coastal zone
  management (DG-ENV, DG-ENL)
• Implementation of biodiversity conventions,
  habitatats and protected sites (DG-ENV, DG-ENL)
• Integrated watershed analysis (DG-ENV, DG-ENL)
• Assessment of air emission and air quality
  measures (DG-ENV, DG-ENL)
• Strategic environmental assessment of
  trans-European transport networks TERM (DG-TREN,
  DG-ENV, DG-ENL)

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GENERALISED WORKFLOW
Validation (interpreters and central)
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?????????? ????????? ?? ???? ????? IMAGE
90(????? ???????? ?? ?????????????? ??????)
????? ? ???? ???????????? (m) ??????? ???????????? (m) ??????? ???????????? (m)
????? ? ???? ???????????? (m) ?X ??
???? ?-9 RMS? 84,07 m, RMS? 47,39 m, RMS? 23,63 m. ???? ?-9 RMS? 84,07 m, RMS? 47,39 m, RMS? 23,63 m. ???? ?-9 RMS? 84,07 m, RMS? 47,39 m, RMS? 23,63 m. ???? ?-9 RMS? 84,07 m, RMS? 47,39 m, RMS? 23,63 m.
G0001 124, 72 110, 56 -57,70
G0006 94, 29 -77, 22 54,11
G0008 72, 23 -69, 49 19,72
G0009 59, 57 58, 19 -12,76
???? ?-3 RMSo 62,48 m, RMS? 53,61 m, RMS? 28,95 m. ???? ?-3 RMSo 62,48 m, RMS? 53,61 m, RMS? 28,95 m. ???? ?-3 RMSo 62,48 m, RMS? 53,61 m, RMS? 28,95 m. ???? ?-3 RMSo 62,48 m, RMS? 53,61 m, RMS? 28,95 m.
G0006 118,55 106,03 -53,00
G0007 96,93 -85,88 44,93
... ... ... ...
G0009 54,80 35,69 41,57
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?????????? ??????????? ?? ????????????????????
??????????? ?? 1990 ?. ? 2000 ?.
????? ? ???? ???????????? (m) ??????? ???????????? (m) ??????? ???????????? (m)
????? ? ???? ???????????? (m) ?X ??
G0002 12,85 9,78 8,33
G0004 11,70 -3,09 11,28
G0009 10,25 -9,20 -4,52
G0005 9,83 9,75 1,25
G0007 9,77 4,15 -8,85
G0008 8,59 -5,01 -6,98
G0006 8,38 -6,16 5,69
G0001 6,22 4,23 -4,56
G0003 4,73 -4,44 -1,64
???????????? ???????? ?? ???????????? ? 12,85 m
(?.G0002) 9.26 m, ????????????????? ????????? ??
?????????????? ?? ?????? ????? ?? ?????????
RMSo 9.26 m, RMS? 7,10 m, RMS? 7.09 m.
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?????????? ?? ??????? ? ?? CLC 90 ??????
?????????????????? ?? Image 90
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?????????? ????????? ?? ???????? ???? ????? CLC 90
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?????????? ??????????? ?? ?????????? ??
CLC90(???? ???????????? ????????)?
???????????????????? ??????????? ?? 1990 ?.
????? ? ???? ???????????? (m) ??????? ???????????? (m) ??????? ???????????? (m)
????? ? ???? ???????????? (m) ?X ??
K-3-33 RMS? 2,51 m, RMS? 1,29 m. K-3-33 RMS? 2,51 m, RMS? 1,29 m. K-3-33 RMS? 2,51 m, RMS? 1,29 m. K-3-33 RMS? 2,51 m, RMS? 1,29 m.
G0008 2,61 -2,32 -1,19
G0009 2,53 2,26 1,16
G0001 2,34 2,09 1,07
G0010 2,27 -2,02 -1,04
K-3-36 RMS? 18,04 m, RMS? 8,22m. K-3-36 RMS? 18,04 m, RMS? 8,22m. K-3-36 RMS? 18,04 m, RMS? 8,22m. K-3-36 RMS? 18,04 m, RMS? 8,22m.
G0011 18,51 16,84 -7,67
G0002 17,43 -15,86 7,22
G0012 16,85 -15,33 6,98
G0013 15,77 14,35 -6,54
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Computer aided satellite image interpretation

• Implemented by the team of interpreters
• Dual aims
• Revising / improving CLC90 (systematically
  corrected)
• Interpretation of changes using IMAGE2000 and
  revised CLC90
• Related tasks
• Internal QC/QA (by the leading photointerpreter)
• Field checking, verification (by the
  photointerpreter)
• Nomenclature (44 classes), 25 ha/100 m limit,
• Definition of change 5 ha/100 m

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Input data

• Orthorectified satellite images
• Landsat 5 TM 1990/1992 (resampled pixel size 25
  m) 11 scenes
• Landsat 7 ETM 2000/2001 (resampled pixel size 25
  m) 13 scenes
• CLC 1990 vector DB
• Ancillary data
• Georeferenced topomaps 1100 000 125 000
• Thematic maps
• Orthorectified Satellite images
• Georeferenced aerial photographs
• Field check

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Software

• ArcView GIS 3.2 - Inter Change 1.0

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CLC Nomenclature

• Level 1 Level 2 Level 3
• 5 categories 15 categories 44 classes
• Artificial surfaces (4 categories 11 classes)
• Agricultural areas (4 categories 11 classes)
• Forest and
• semi-natural areas (3 categories 12 classes)
• Wetlands (2 categories 5 classes)
• Water bodies (2 categories 5 classes)

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CORINE ???????????? 1
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CORINE ???????????? 2
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CLC90 vector DB geometrical correction

• Non-systematic geometric errors (gt100 m)
• Un-correct boundary delineation and unrecognized
  objects

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Semantic errors

• Classes 221 222 - 211, 242 243

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BULGARIAN COASTAL ZONE 1975 1990 LAND COVER
CHANGE DETECTION BASED ON SATELLITE IMAGES

• Anton Stoimenov, Ventseslav Dimitrov, Nikolina
  Pelova,
• Nevena Borisova, Milena Danailova
• Space Research Institute, Remote Sensing GIS
  Section
• Rumiana Vatseva Institute of Geography

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EUROSION project

• Maping land cover changes 1975 - 1990 for the
  European coastal zone
• Coastal zone definition 102 km strip along
  shore line
• Modified CORINE Land Cover Methodology and
  Nomenclature used
• Backward change detection based on CLC1990 Data
  Base

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Input raster and vector data

• Orthorectified archive satellite imagery used
• Landsat 1 MSS images August 1977, resampled
  pixel size 50 m
• Landsat 5 TM images August 1991/1992, resampled
  pixel size 25 m
• Ancillary data used
• Orthorectified Satellite and Georeferenced aerial
  images
• Georeferenced topomaps 125 000 1100 000
• Thematic and city maps
• Field checks, inquiries, statistical data

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Zone K-5 Landsat TM and Landsat MSS mosaics
1990
1975
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Changes in Agricultural areas
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Changes in Forest areas
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Changes in Artificial surfaces
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METHODOLOGY STEPS (cont.)
Changes and change statistics for the Northern
part of Bulgarian Coastal zone
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METHODOLOGY STEPS (cont.)
Changes and change statistics for the Southern
part of Bulgarian Coastal zone
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METHODOLOGY STEPS (cont.)
Changes in Southern part of Bulgarian Coastal
zone - detail
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Bulgarian CZ Changes 1975-1990
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Bulgarian CZ Changes 1975-1990
Total area of changes 21 756 ha - 6.11 of the
territory. Northern part 4 882 ha
2.11 Southern part 16 874 ha 8.88
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Quality Assurance and Quality Control

• Internal QA and QC
• Checking of IPGIS work by Project leader.
• Crosschecking executed by Photointerpreters.
• Field checking of CZ selected areas.
• Full checking of results by Project leader.
• External QC by JRC representative
• Full checking of Photointerpreters work
• CLC75 and Change DB consistency checking.

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Field checking examples
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• ???????? ?? ????????? ? ?????????? ????????? ??
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  ?? ????????? ??????????? ??? ????????? ?
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  ???????.
• ??????????? ? ???????? ????? ??????? ????? ?
  ???????????? ????? ???????????(????? 30 ??????)
  ?? ?????????? Landsat ????????? ?? ?? ???????
  ???-??????????? ??????? ????????? ?? ??????????
  ?????.
• ?????????? ?? ?????????? ? ?????????? ???? ?????
  ????? ?? ????? ?????????? ?? ????? ????
  ?????????? ? ??????????? ? ???????? ?? ???????? ?
  ???????? ??????????, ???????????? ????????? ?
  ?????????? ?? ???????? ?????.