Mediterranean Shrublands Biomass Estimation Using Sentinel-1 and Sentinel-2

被引:50
作者
Chang, Jisung [1 ]
Shoshany, Maxim [1 ]
机构
[1] Technion Israel Inst Technol, Dept Civil & Environm Engn, Haifa, Israel
来源
2016 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2016年
关键词
Biomass; C-band SAR; Mediterranean; Fusion; Semi-arid; Sentinel; Shrublands; DERIVATION; MODELS; LAND;
D O I
10.1109/IGARSS.2016.7730380
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Potential for synergetic use of Sentinel-1 and Sentinel-2 for mapping biomass of Mediterranean shrublands is investigated. As preliminary research, backscatter and its ratio from Sentinel-1 (C-band dual polarization SAR), and NDVI from Sentinel-2 (13 bands multi-spectral data) are assessed by using the NDVIR biomass model. Then the fusion biomass model is proposed based on shrub volume formations. The fusion model is verified by filed survey data which measured shrub height and diameter applyied into the allometric model. The proposed fusion model shows around 14 % improvement of accuracy compared to the single sensor model (r-square: from 0.72 to 0.86, RMSE: from 0.158 to 0.109).
引用
收藏
页码:5300 / 5303
页数:4
相关论文
共 11 条
[1]   Evaluation of Sentinel-2 Red-Edge Bands for Empirical Estimation of Green LAI and Chlorophyll Content [J].
Delegido, Jesus ;
Verrelst, Jochem ;
Alonso, Luis ;
Moreno, Jose .
SENSORS, 2011, 11 (07) :7063-7081
[2]   Derivation of biomass information for semi-arid areas using remote-sensing data [J].
Eisfelder, Christina ;
Kuenzer, Claudia ;
Dech, Stefan .
INTERNATIONAL JOURNAL OF REMOTE SENSING, 2012, 33 (09) :2937-2984
[3]   The derivation of the green vegetation fraction from NOAA/AVHRR data for use in numerical weather prediction models [J].
Gutman, G ;
Ignatov, A .
INTERNATIONAL JOURNAL OF REMOTE SENSING, 1998, 19 (08) :1533-1543
[4]   Mediterranean desertification and land degradation Mapping related land use change syndromes based on satellite observations [J].
Hill, J. ;
Stellmes, M. ;
Udelhoven, Th. ;
Roeder, A. ;
Sommer, S. .
GLOBAL AND PLANETARY CHANGE, 2008, 64 (3-4) :146-157
[5]   The potential and challenge of remote sensing-based biomass estimation [J].
Lu, Dengsheng .
INTERNATIONAL JOURNAL OF REMOTE SENSING, 2006, 27 (07) :1297-1328
[6]   Sentinels for science: Potential of Sentinel-1, -2, and -3 missions for scientific observations of ocean, cryosphere, and land [J].
Malenovsky, Zbynek ;
Rott, Helmut ;
Cihlar, Josef ;
Schaepman, Michael E. ;
Garcia-Santos, Glenda ;
Fernandes, Richard ;
Berger, Michael .
REMOTE SENSING OF ENVIRONMENT, 2012, 120 :91-101
[7]  
Pereira J.M. C., 1995, EARSeL Advance Remote Sensing, V4, P14
[8]  
Shoshany M., 2014, ARID ENV, P2283
[9]   Mapping shrubland biomass along Mediterranean climatic gradients: The synergy of rainfall-based and NDVI-based models [J].
Shoshany, Maxim ;
Karnibad, Lev .
INTERNATIONAL JOURNAL OF REMOTE SENSING, 2011, 32 (24) :9497-9508
[10]   Influence of slope aspect on Mediterranean woody formations: Comparison of a semiarid and an arid site in Israel [J].
Sternberg, M ;
Shoshany, M .
ECOLOGICAL RESEARCH, 2001, 16 (02) :335-345