Contributions of differential GPS and GLONASS observations to point accuracy under forest canopies

Photogrammetric Engineering and Remote Sensing

Volumn 66, Issue 4, 2000, Pages 403-407

  Næsset, Erik ^a   Bjerke, Trygve ^b   ØVstedal, Ola ^a   Ryan, Lorentz H ^c  

^a NORWEGIAN UNIVERSITY OF LIFE SCIENCES   (Norway)

^b Asplan Viak Informasjonsteknologi AS   (Norway)

^c Blinken AS   (Norway)

Author keywords

[No Author keywords available]

Indexed keywords

ACCURACY ASSESSMENT; FOREST CANOPY; GPS; MODELING;

EID: 0034069198     PISSN: 00991112     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Review

References (13)

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4. _, 1997b. GPS Satellite Outages for 1997, Automated Data Service (ADS), United States Naval Observatory (USNO) (ftp://tycho.usno. navy.mil/pub/gps/gpsout97.txt).
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10. Næsset, E., 1997. Estimating timber volume of forest stands using airborne laser scanner data, Remote Sensing of Environment, 61(2):246-253.
11. _, 1999. Point accuracy of combined pseudorange and carrier phase differential GPS under forest canopy, Canadian Journal of Forest Research, 29(5):547-553.
12. Rossbach, U., and G.W. Hein, 1996. Treatment of integer ambiguities in DGPS/DGLONASS double difference carrier phase solutions, Proceedings of the 9th International Technical Meeting of the Satellite Division of the Institute of Navigation, ION GPS-96, Kansas City, 17-20 September pp. 909-916.
13. Story, M., and R. Congalton, 1986. Accuracy assessment: A user's perspective, Photogrammetric Engineering & Remote Sensing, 52(3):397-399.