XXII ISPRS Congress 2012: Technical Commission VIII

Shortis, M.; Shimoda, H.; Cho, K.

Bibliographic data

Multivolume work

Persistent identifier:: 1663813779

Title:: XXII ISPRS Congress 2012

Sub title:: Melbourne, Australia, 25 August-1 September 2012

Year of publication:: 2013

Place of publication:: Red Hook, NY

Publisher of the original:: Curran Associates, Inc.

Identifier (digital):: 1663813779

Language:: English

Additional Notes:: Kongress-Thema: Imaging a sustainable future

Corporations:: International Society for Photogrammetry and Remote Sensing, Congress, 22., 2012, Melbourne; International Society for Photogrammetry and Remote Sensing

Adapter:: International Society for Photogrammetry and Remote Sensing, Congress, 22., 2012, Melbourne; International Society for Photogrammetry and Remote Sensing

Founder of work:: International Society for Photogrammetry and Remote Sensing, Congress, 22., 2012, Melbourne; International Society for Photogrammetry and Remote Sensing

Other corporate:: International Society for Photogrammetry and Remote Sensing, Congress, 22., 2012, Melbourne; International Society for Photogrammetry and Remote Sensing

Document type:: Multivolume work

Volume

Persistent identifier:: 1663822514

Title:: Technical Commission VIII

Scope:: 590 Seiten

Year of publication:: 2014

Place of publication:: Red Hook, NY

Publisher of the original:: Curran Associates, Inc.

Identifier (digital):: 1663822514

Illustration:: Illustrationen, Diagramme

Signature of the source:: ZS 312(39,B8)

Language:: English

Additional Notes:: Erscheinungsdatum des Originals ist ermittelt.; Literaturangaben

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Editor:: Shortis, M.; Shimoda, H.; Cho, K.

Corporations:: International Society for Photogrammetry and Remote Sensing, Congress, 22., 2012, Melbourne; International Society for Photogrammetry and Remote Sensing

Adapter:: International Society for Photogrammetry and Remote Sensing, Congress, 22., 2012, Melbourne; International Society for Photogrammetry and Remote Sensing

Founder of work:: International Society for Photogrammetry and Remote Sensing, Congress, 22., 2012, Melbourne; International Society for Photogrammetry and Remote Sensing

Other corporate:: International Society for Photogrammetry and Remote Sensing, Congress, 22., 2012, Melbourne; International Society for Photogrammetry and Remote Sensing

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2019

Document type:: Volume

Collection:: Earth sciences

Chapter

Title:: [VIII/6: Agriculture, Ecosystems and Bio-Diversity]

Document type:: Multivolume work

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Chapter

Title:: NDVI FROM ACTIVE OPTICAL SENSORS AS A MEASURE OF CANOPY COVER AND BIOMASS E. M. Perry, G. J. Fitzgerald, N. Poole, S. Craig, A. Whitlock

Document type:: Multivolume work

Structure type:: Chapter

B8, 2012 0.12. Note that 1 cover of 0.0). | ue 5 | 070 | 1 07% | 3 | 059 | 2 0.74 green cover on d Biomass nding measured across sites and rin. kg ha) 1s for dates up 974) plotted by e the maximum easured biomass 'ression model: (l) . The regression y NDVI did not s as it did for lues. Pooling all ue of 0.13 and nsors (ACS 470 ta was subset to 0 Horsham data comparison was d the highest [. One possible ity of the sensor ie to the small en sensor NDVI biomass. Linear ysham data for nclusive), which : of 115 kg ha” International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume XXXIX-B8, 2012 XXII ISPRS Congress, 25 August — 01 September 2012, Melbourne, Australia pe 12000 7 10000 4 = o ACS 470 8000 — 6000 - 4000 + 2000 + Biomass, as Dry Matter kg ha-1 D e ACS 210 0.4 Sensor NDVI Figure 2. Above ground biomass measured as dry matter kg ha! plotted against the mean NDVI measured by plot for all data up to the flowering stage, Zadoks 60 (N=1475). The non linear equation fitted yield re 0.27 and a standard error of 2133 kg ha”. Std. Error (kg ha’! Sensor N r All Dates All Sensors 1858 0.13 3459 ACS 470 1214 0.03 3599 Greenseeker 379 0.30 3017 ACS 210 Until Flowering (Zadoks 60) All Sensors 1477 0.27 2133 ACS 470 947 0.22 2377 Greenseeker 195 0.37 1537 ACS 210 265 0.64 372 ACS 210 148 0.67 115 Low biomass* * Fitted linear regression to data with 0 < DM < 1000 kg ha Table 3. Regression results for Total Above Ground Dry Matter (kg ha") on NDVI 4. CONCLUSIONS The commercially available active optical sensors are robust and can be used under most sky conditions, so they are of potential interest for ground truth of biomass for various remote sensing applications. The results show a strong linear relation between the sensor NDVI and fractional green cover for a dataset that included three different sensors and multiple sites and dates. However, the relation between measured biomass and sensor NDVI was found to be linear only at low values of biomass (less than 1000 kg ha), and non-linear regression resulted in low r? values for the dataset. Results of the study indicate the sensors may provide good estimates of fractional green cover, although caution should be applied when directly comparing NDVI from different sensors models. 5. REFERENCES Li, Y., Chen, D., Walker, C.N., Angus, J.F., 2010. Estimating the nitrogen status of crops using a digital camera. Field Crops Research 118(3), pp. 221-227. Payne, R.W., Murray, D.A., Harding, S.A., Baird, D.B., Soutar, D.M., 2009. GenStat for Windows (12th Edition) Introduction. VSN International, Hemel Hempstead. Rouse, J.W., Jr., Haas, R. H., Schell, J.A., Deering, D.W, 1973. Monitoring vegetation systems in the Great Plains with ETRS. , Earth Res. Tech. Satellite-1 Symp, Goddard Space Flight Cent., Washington, DC, pp. 309-317. Zadoks, J.C., Chang, T.T., Konzak, C.F., 1974. A decimal code for the growth stages of cereals. Weed Research 14(6), pp. 415- 421. 6. ACKNOWLEDGEMENTS The authors wish to thank the Grains Research Development Corporation for research funding of multiple projects that supported the data acquisition and analysis of this work. We are also indebted to our grower collaborators who allowed us to work on their farms.

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