Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I Passive Microwave Data
Entry ID:
NSIDC-0051
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Summary
The NASA Goddard Space Flight Center (GSFC) sea ice concentration data set in the polar stereographic projection is derived from the Scanning Multichannel Microwave Radiometer (SMMR) and Special Sensor Microwave/Imager (SSM/I) data using the NASA Team algorithm. It is designed to provide a consistent time series of sea ice ... concentrations (the fraction of ocean area covered by sea ice) spanning the coverage of several passive microwave instruments. To aid in this goal, sea ice algorithm coefficients are changed to reduce differences in sea ice extent and area as estimated using the SMMR and SSM/I sensors. The data set currently includes daily and monthly averaged sea ice concentrations derived from Nimbus-7 SMMR and DMSP-F8, -F11 and -F13 SSM/I daily brightness temperatures at a grid cell size of 25 x 25 km. The data set begins October 1978 and continues through December 2004. Data are available via FTP. Data files are stored as flat binary data with one byte per pixel. For each data file, a corresponding graphics file in GIF format is provided. These sea ice concentrations are generated by the Oceans and Ice Branch, Laboratory for Hydrospheric Processes at NASA GSFC, using SMMR brightness temperatures that were processed at NASA GSFC and SSM/I brightness temperatures that were processed at the National Snow and Ice Data Center (NSIDC). Both of these data sets are archived at NSIDC.
Geographic Coverage
Spatial coordinates
Data Set Citation
Dataset Creator:
Cavalieri, D., C. Parkinson, P. Gloerson, and H.J. Zwally
Dataset Title:
Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I Passive Microwave Data
Dataset Release Date:
1996, updated yearly
Dataset Release Place:
Boulder, CO USA
Dataset Publisher:
National Snow and Ice Data Center (NSIDC)
Online Resource:
http://nsidc.org/data/nsidc-0051.html
Dataset Creator:
Meier, Walt
Dataset Title:
Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I Passive Microwave Data
Dataset Release Date:
2006, updated quarterly
Dataset Release Place:
Boulder, Colorado USA
Dataset Publisher:
National Snow and Ice Data Center (NSIDC)
Version:
Preliminary data
Data Presentation Form:
Digital media
Online Resource:
http://nsidc.org/data/nsidc-0051.html
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Temporal Coverage
Start Date:
1978-10-26
Stop Date:
1987-08-20
Start Date:
1987-07-09
Stop Date:
1991-12-31
Start Date:
1991-12-30
Stop Date:
1995-09-30
Start Date:
1995-05-03
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Location Keywords
Data Resolution
Latitude Resolution:
25 km
Longitude Resolution:
25 km
Horizontal Resolution Range:
10 km - < 50 km or approximately .09 degree - < .5 degree
Temporal Resolution:
Daily, Monthly
Temporal Resolution Range:
Daily - < Weekly
Latitude Resolution:
25 km
Longitude Resolution:
25 km
Horizontal Resolution Range:
10 km - < 50 km or approximately .09 degree - < .5 degree
Temporal Resolution:
every other day
Temporal Resolution Range:
Daily - < Weekly
Latitude Resolution:
25 km
Longitude Resolution:
25 km
Horizontal Resolution Range:
10 km - < 50 km or approximately .09 degree - < .5 degree
Temporal Resolution:
Monthly
Temporal Resolution Range:
Monthly - < Annual
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Science Keywords
ISO Topic Category
Platform
Instrument
Project
Quality
NSIDC staff visually checks the entire set of data files and selected graphics files. This includes checks for proper file structure, comparisons to existing SMMR- and SSM/I-derived sea ice concentration grids, masks, and information files, and examination of data quality. Some weather-related effects and land contamination ... are still present. The amount and spatial distribution of those remaining weather effects varies with season. Also, occasional bad scan lines still appear in the data. Based on NSIDC analyses (see NSIDC Special Report 5: An Intercomparison of DMSP F11- and F13-derived Sea Ice Products for summaries of differences among the SSM/I sensors), some sensor-to-sensor differences are likely to remain in these data, particularly for marginal ice zones. During May 1986, residual weather effects and processing errors result in large bands of very low ice concentrations over the open ocean in the Weddell, Bellingshausen, and Amundsen seas in the Southern Hemisphere.
Ancillary Keywords
Data Set Progress
Originating Center
Data Center
Distribution
Distribution Media:
FTP
Distribution Format:
PNG
Fees:
none
Distribution Media:
FTP
Distribution Size:
105212 bytes per southern file
Distribution Format:
binary
Fees:
none
Distribution Media:
FTP
Distribution Size:
136492 bytes per northern file
Distribution Format:
binary
Fees:
none
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Personnel
DONALD
J.
CAVALIERI
Role:
INVESTIGATOR
Phone:
(301) 614-5901
Fax:
(301) 614-5644
Email:
donald.j.cavalieri at nasa.gov
Contact Address:
Laboratory for Hydrospheric Processes
NASA/Goddard Space Flight Center
Code 614.1
City:
Greenbelt
Province or State:
MD
Postal Code:
20771
Country:
USA
CLAIRE
L.
PARKINSON
Role:
INVESTIGATOR
Phone:
301-614-5715
Fax:
301-614-5644
Email:
Claire.L.Parkinson at nasa.gov
Contact Address:
Laboratory for Hydrospheric Processes
NASA/Goddard Space Flight Center
Code 614.1
City:
Greenbelt
Province or State:
MD
Postal Code:
20771
Country:
USA
PER
GLOERSEN
Role:
INVESTIGATOR
Phone:
(301) 614-5710
Fax:
(301) 614-5644
Email:
Per.Gloersen at nasa.gov
Contact Address:
Laboratory for Hydrospheric Processes
NASA/Goddard Space Flight Center
Code 614
City:
Greenbelt
Province or State:
MD
Postal Code:
20771
Country:
USA
H.
JAY
ZWALLY
Role:
INVESTIGATOR
Phone:
301-614-5643
Fax:
301-614-5644
Email:
Jay.Zwally at nasa.gov
Contact Address:
Laboratory for Hydrospheric Processes
NASA/Goddard Space Flight Center
Code 614
City:
Greenbelt
Province or State:
MD
Postal Code:
20771
Country:
USA
WALT
MEIER
Role:
INVESTIGATOR
Email:
walt at nsidc.org
Contact Address:
National Snow and Ice Data Center
449 UCB
University of Colorado
City:
Boulder
Province or State:
CO
Postal Code:
80309
Country:
USA
FLORENCE
FETTERER
Role:
INVESTIGATOR
Phone:
+1 (303) 492-6199
Fax:
+1 (303) 492-2468
Email:
fetterer at nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City:
Boulder
Province or State:
CO
Postal Code:
80309-0449
Country:
USA
KENNETH
W.
KNOWLES
Role:
INVESTIGATOR
Phone:
303-492-6199
Fax:
303-492-2468
Email:
nsidc at nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City:
Boulder
Province or State:
CO
Postal Code:
80309-0449
Country:
USA
MATTHEW
H.
SAVOIE
Role:
INVESTIGATOR
Phone:
303-492-5692
Email:
savoie at nsidc.org
Contact Address:
National Snow and Ice Data Center
University of Colorado
CIRES, 449 UCB
City:
Boulder
Province or State:
CO
Postal Code:
80309-0449
Country:
USA
MARY
J.
BRODZIK
Role:
INVESTIGATOR
Email:
brodzik at nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City:
Boulder
Province or State:
CO
Postal Code:
80309-0449
Country:
USA
NSIDC
USER SERVICES
Role:
TECHNICAL CONTACT
Phone:
+1 (303) 492-6199
Fax:
+1 (303) 492-2468
Email:
nsidc at nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City:
Boulder
Province or State:
CO
Postal Code:
80309-0449
Country:
USA
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Related URL
Publications/References
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Proceedings of the World Meteorological Organization Technical Conference, Tokyo, Japan, WMO No. 350:55-66. Campbell, W.J., P. Gloersen, and H.J. Zwally. 1994. Short- and long-term temporal behavior of polar sea-ice covers from satellite passive-microwave observations. Geophysical Monograph 85. Editors O.M. Johannessen, R.D. Muench, and J.E. Overland. American Geophysical Union, Washington, D.C. Campbell, W.J., P. Gloersen, and H.J. Zwally. 1984. Aspects of Arctic sea ice observable by sequential passive-microwave observations from the Nimbus-5 satellite, in Arctic Technology and Policy, I. Dyer and C. Chryssostomidis, eds., Hemisphere Publishing, New York, 197-222. Campbell, W.J., P. Gloersen, and R.O. Ramseier. 1975. Synoptic ice dynamics and atmospheric circulation during the Bering Sea Experiment. Proceedings of the Final Symposium on the Results of the Joint Soviet-American Expedition, K. Ya. Kondratyev, Yu. I. Rabinovich, and W. Nordberg, eds., Gidrometeoizdat, Leningrad, 196-218. (Republished as USSR/USA Bering Sea Experiment by A. A. Balkema, Rotterdam, 307 pp., 1982.) Campbell, W.J., P. Gloersen, E.G. Josberger, O.M. Johannessen, P.S. Guest, N. Mognard, R. Shuchman, B.A. Burns, N. Lannelongue, and K.L. Davidson. 1987. Variations of mesoscale and large-scale sea ice morphology in the 1984 Marginal Ice Zone Experiment as observed by microwave remote sensing. Journal of Geophysical Research 92:6805-6824. Campbell, W.J., P. Gloersen, W. Nordberg, and T.T. Wilheit. 1974. Dynamics and morphology of beaufort sea ice determined from satellite, aircraft, and drifting stations, in Proc. of the Symp. on Approaches to Earth Survey Problems Through Use of Space Techniques, Akademie-Verlag, Berlin, 311-327. Campbell, W.J., P. Gloersen, R.O. Ramseier, and H.J. Zwally. 1980. Arctic sea ice variations from time-lapse microwave imagery. Boundary-Layer Meteorology 18:99-106. Campbell, W.J., P. Gloersen, W.J. Webster, T.T. Wilheit, and R.O. Ramseier. 1976. Beaufort Sea ice zones as delineated by microwave imagery. Journal of Geophysical Research 81:1103-1110. Campbell, W.J., R.O. Ramseier, H.J. Zwally, and P. Gloersen. 1981. Structure and variability of Bering and Okhotsk sea ice cover by satellite microwave imagery, in Energy Resources of the Pacific, M. T. Halbouty, ed., American Association of Petroleum Geologists, Tulsa, Oklahoma, 343-354. Campbell, W.J., P. Gloersen, H.J. Zwally, R.O. Ramseier, and C. Elachi. 1980. Simultaneous passive and active microwave observations of near-shore Beaufort Sea ice. Journal of Petroleum Technology 21:1105-1112. Campbell, W.J., R.O. Ramseier, W.F. Weeks, and P. Gloersen. 1976. An integrated approach to the remote sensing of floating ice. Proceedings of the XXVI International Astronautical Congress, Lisbon, Portugal, L. G. Napolitano, ed. 445-487. Campbell, W.J., J. Wayenberg, J.B. Ramseyer, R.O. Ramseier, M.R. Vant, R. Weaver, A. Redmond, L. Arsenault, P. Gloersen, H.J. Zwally, T.T. Wilheit, T.C. Chang, D. Hall, L. Gray, D.C. Meeks, M.L. Bryan, F.T. Barath, C. Elachi, F. Leberl, and T. Farr. 1978. Microwave remote sensing of sea ice in the AIDJEX main experiment. Boundary-Layer Meteorology 13:309-337. Campbell, W.J., W.F. Weeks, R.O. Ramseier, and P. Gloersen. 1975. Geophysical studies of floating ice by remote sensing. Journal of Glaciology 15:305-328. Carsey, F.D. 1985. Summer Arctic sea ice crkinson, J.C. Comiso, and H.J. Zwally. 1997. Observed hemispheric asymmetry in global sea ice changes. Science 278(5340): 1104-1106. Cavalieri, D.J. and S. Martin. 1994. The contribution of Alaskan, Siberian, and Canadian coastal polynyas to the cold halocline layer of the Arctic Ocean. Journal of Geophysical Research 99:18,343-18,362. Cavalieri, D.J., and S. Martin. 1985. A passive-microwave study of polynyas along the Antarctic Wilkes Land coast, in Oceanology of the Antarctic Continental Shelf, S. S. Jacobs, ed., Antarctic Research Series, American Geophysical Union, Washington, D. C. vol. 43:227-252. Cavalieri, D.J., C.L. Parkinson, P. Gloersen, J.C. Comiso, and H.J. Zwally. 1999. Deriving long-term time series of sea ice cover from satellite passive-microwave multisensor data sets. Journal of Geophysical Research 104(7): 15,803-15,814. Cavalieri, D.J., and C. L. Parkinson. 1987. On the relationship between atmospheric circulation and the fluctuations in the sea ice extents of the Bering and Okhotsk Seas. Journal of Geophysical Research 92: 7141-7162. Cavalieri, D.J., and C.L. Parkinson. 1981. Large-scale variations in observed Antarctic sea ice extent and associated atmospheric circulation. Monthly Weather Review 109(11):2323-2336. Cavalieri, D.J., and H.J. Zwally. 1985. Satellite observations of sea ice. Advanced Space Research 5:247-255. Cavalieri, D.J., B.A. Burns, and R.G. Onstott. 1990. Investigation of the effects of summer melt on the calculation of sea ice concentration using active and passive-microwave data. Journal of Geophysical Research 95:5359-5369. Cavalieri, D.J., P. Gloersen, and W.J. Campbell. 1984a. Determination of sea ice parameters with the Nimbus-7 SMMR. Journal of Geophysical Research 89:5355-5369. Cavalieri, D.J., P. Gloersen, and W.J. Campbell. 1984b. Determination of sea ice parameters with the NIMBUS-7 SMMR. Journal of Geophysical Research 89(D4):5355-5369. Cavalieri, D.J., P. Gloersen, and T.T. Wilheit. 1986. Aircraft and satellite passive-microwave observations of the Bering Sea ice cover during MIZEX West. IEEE Transactions on Geosciences and Remote Sensing GE-24: 368-377. Cavalieri, D.J., S. Martin, and P. Gloersen. 1983. Nimbus-7 SMMR observations of the Bering Sea ice cover during March 1979. Journal of Geophysical Research 88:2743-2754. Cavalieri, D.J., K.M. St. Germain, and C.T. Swift. 1995. Reduction of weather effects in the calculation of sea ice concentration with the DMSP SSM/I. Journal of Glaciology. 41(139):455-464. Cavalieri, D.J., J. Crawford, M. Drinkwater, W.J. Emery, D.T. Eppler, L.D. Farmer, M. Goodberlet, R. Jentz, A. Milman, C. Morris, R. Onstott, A. Schweiger, R. Shuchman, K. Steffen, C.T. Swift, C. Wackerman, and R.L. Weaver. 1992. NASA sea ice validation program for the DMSP SSM/I: final report. NASA Technical Memorandum 104559. National Aeronautics and Space Administration, Washington, D.C. 126 pages. Cavalieri, D.J., J. Crawford, M.R. Drinkwater, D. Eppler, L.D. Farmer, R.R. Jentz and C.C. Wackerman. 1991. Aircraft active and passive microwave validation of sea ice concentration from the DMSP SSM/I. Journal of Geophysical Research 96(C12):21,989-22,009. Cavalieri, D.J., C.L. Parkinson, P. Gloersen, and H.J. Zwally. 1997. Arctic and Antarctic sea ice concentrations from multichannel passive-microwave satellite data sets: October 1978 to December 1996, User's Guide. NASA Technical Memorandum 104647. 17 pages. Comiso, J.C. 1991. Satellite remote sensing of the polar oceans. Journal of Marine Systems 2:295-434. Comiso, J.C. 1990. Arctic multiyear ice classification and summer ice cover using passive microwave satellite data. Journal of Geophysical Research 95(C8):13411-13422. Comiso, J.C. 1986. Characteristics of Arctic winter sea ice from satellite multispectral microwave observations. Journal of Geophysical Research 91(C1): 975-994. Comiso, J.C. 1983. Sea ice effective microwave emissivities from satellite passive microwave and infrared observations. Journal of Geophysical Research 88(C12):7686-7704. Comiso, J.C., and A.L. Gordon. 1987. Recurring polynyas over the Cosmonaut Sea and the Maud Rise. Journal of Geophysical Research 92:2819-2833. Comiso, J.C., and C.W. Sullivan. 1986. 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Grenfell, M. Lange, A. Lohanick, R. Moore, and P. Wadhams. 1992. Microwave remote sensing of the Southern Ocean Ice Cover. Chapt. 12 In: Microwave remote sensing of sea ice. Frank Carsey, editor. American Geophysical Union. Washington, D.C. 243-259. Comiso, J.C., and K. Steffen. 2001. Studies of Antarctic sea ice concentrations from satellite data and their applications. Journal of Geophysical Research 106(12): 31,361-31,385. Comiso, J.C., P. Wadhams, W. Krabill, R. Swift, J. Crawford, and W. Tucker. 1991. Top/bottom multisensor remote sensing of Arctic sea ice. Journal of Geophysical Research 96(C2):2693-2711. Emery, W.J., C. Fowler, J.A. Maslanik. 1994. Arctic sea ice concentrations from SSM/I and AVHRR satellite data. Journal of Geophysical Research 99(C9):18,329-18,342. Eppler, D.T., L.D. Farmer, A.W. Lohanick, M.A. Anderson, D.J. Cavalieri, J.C. Comiso, P. Gloersen, C. Garrity, T.C. Grenfell, M. Hallikainen, J.A. Maslanik, C. Matzler, R. A. Melloh, I. Rubenstein, C.T. Swift. 1992. Passive microwave signatures of sea ice. In Microwave Remote Sensing of Sea Ice, ed. F. Carsey, Geophysical Monograph 68 (AGU). Gloersen, P. 1995. Modulation of hemispheric sea ice covers by ENSO events. Nature 373:503-508. Gloersen, P. 1983. Calibration of the Nimbus-7 SMMR: II Polarization mixing corrections. NASA Technical Memorandum 84976. Gloersen, P. and F.T. Barath. 1977. A scanning multichannel microwave radiometer for Nimbus G and Seasat A. IEEE Journal of Oceanic EngineeringOE-2:172-178. Gloersen, P., and W.J. Campbell. 1991a. Variations of extent, area, and open water of the polar sea ice covers: 1978-1987, Proc. of the Int. Conf. on the Role of the Polar Regions in Global Change, G. Weller, C. L. Wilson, and B. A. B. Severin, eds., Geophysical Institute, University of Fairbanks, Alaska. 778 pages. Gloersen, P., and W.J. Campbell. 1991b. Recent variations in Arctic and Antarctic sea ice covers. Nature 352:33-36. Gloersen, P., and W.J. Campbell. 1988a. Variations in the Arctic, Antarctic, and global sea ice covers during 1978-1987 as observed with the Nimbus-7 Scanning Multichannel Microwave Radiometer. Journal of Geophysical Research 93:10,666-10,674. Gloersen, P. and W.J. Campbell. 1988b. Satellite and aircraft passive-microwave observations during the Marginal Ice Zone Experiment in 1984. Journal of Geophysical Research 93:6837-6846. Gloersen P. and D.J. Cavalieri. 1986. Reduction of weather effects in the calculation of sea ice concentration from microwave radiances. Journal of Geophysical Research 91(C3):3913-3919. Gloersen, P, and A. Mernicky. 1997. Oscillatory behavior in Antarctic sea ice concentrations. In AGU Antarctic Research Series: Antarctic Sea Ice Physical Properties and Processes. Editor M.O. Jeffries. In press. Gloersen, P., E. Mollo-Christensen, and P. Hubanks. 1989. Observations of Arctic polar lows with the Nimbus-7 Scanning Multichannel Microwave Radiometer, in Polar and Arctic Lows, P. F. Twitchell, E. A. Rasmussen, and K. L. Davidson, eds., A. Deepak, Hampton, Virginia, 359-371. Gloersen, P., C.L. Parkinson, D.J. Cavalieri, J.C. Comiso, and H.J. Zwally. 1999. Spatial distribution of trends and seasonality in the hemispheric sea ice covers: 1978-1996. Journal of Geophysical Research 104(9): 20,827-20,835. Gloersen, P., J. Yu, and E. Mollo-Christensen. 1996. Oscillatory behavior in Arctic sea ice concentrations. Journal of Geophysical Research 101:6641-6650. Gloersen, P., W.J. Campbell, D.J. Cavalieri, J.C. Comiso, C.L. Parkinson, and H.J. Zwally. 1993. Satellite passive microwave observations and analysis of Arctic and Antarctic sea ice, 1978-1987. Annals of Glaciology 17:149-154. Gloersen P., W.J. Campbell, D.J. Cavalieri, J.C. Comiso, C. L. Parkinson, H.J. Zwally. 1992. Arctic and Antarctic Sea ice, 1978-1987: Satellite Passive Microwave Observations and Analysis. NASA Special Publication 511. Gloersen, P., D.J. Cavalieri, A.T.C. Chang, T.T. Wilheit, W.J. Campbell, O.M. Johannessen, K.B. Katsaros, K.F. Kunzi, D.B. Ross, D. Staelin, E.P.L. Windsor, F.T. Barath, P. Gudmandsen, E. Langham, and R.O. Ramseier. 1984. A summary of results from the first Nimbus-7 SMMR observations. Journal of Geophysical Research 89:5335-5344. Gloersen, P., T.C. Chang, T.T. Wilheit, and W.J. Campbell. 1974. Polar sea ice observations by means of microwave radiometry, in Advanced Concepts and Techniques in the Study of Snow and Ice, H. S. Santeford and J. L. Smith, eds., National Academy of Science 541-550. Gloersen, P., W. Nordberg, T.J. Schmugge, T.T. Wilheit, and W.J. Campbell. 1973. Microwave signatures of first-year and multiyear sea ice. Journal of Geophysical Research 78:3564-3572. Gloersen, P., R.O. Ramseier, W.J. Campbell, T.C. Chang, and T.T. Wilheit. 1975. Variations of ice morphology of selected mesoscale test areas during the Bering Sea Experiment, in Proceedings of the Final Symposium on the Results of the Joint Soviet-American Expedition, K. Ya. Kondratyev, Yu. I. Rabinovich, and W. Nordberg, eds., Gidrometeoizdat, Leningrad, 196-218. (Republished as USSR/USA Bering Sea Experiment by A. A. Balkema, Rotterdam, 307 pages. 1982.) Gloersen, P., R. Ramseier, W.J. Campbell, P.M. Kuhn, and W.J. Webster, Jr. 1975. Ice thickness distribution as inferred from infrared and microwave remote sensing during the Bering Sea Experiment, in Proceedings of the Final Symposium on the Results of the Joint Soviet-American Expedition, K. Ya. Kondratyev, Yu. I. Rabinovich, and W. Nordberg, eds., Gidrometeoizdat, Leningrad, 282-293. (Republished as USSR/USA Bering Sea Experiment by A. A. Balkema, Rotterdam, 307 pages. 1982.) Gloersen, P., T.T. Wilheit, T.C. Chang, W. Nordberg, and W.J. Campbell. 1974. Microwave maps of the polar ice of the Earth. Bulletin of the American Meteorological Society 55:1442-1448. Gloersen, P., H.J. Zwally, A.T.C. Chang, D.K. Hall, W.J. Campbell, and R.O. Ramseier. 1978. 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Creation and Review Dates
Last DIF Revision Date:
2009-01-08
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