2021年4月19日 · GLOBMAP LAI (Version 3) provides a consistent long-term global leaf area index (LAI) product (1981-2020, continuously updated) at 8km resolution on Geographic grid by quantitative fusion of Moderate Resolution Imaging Spectroradiometer (MODIS) and historical Advanced Very High Resolution Radiometer (AVHRR) data.

2019年9月18日 · The GLOBMAP _V2 product is the basis for our simulations, whereas GLASS and LAI3g are used to assess uncertainties in carbon sink estimation due to the choice of LAI products.

Several changes have been made compared with the JGR paper: The MODIS C6 land surface reflectance products MOD09A1 was used to generate MODIS LAI in this GLOBMAP V3 products instead of C5 products. The clumping effects was considered at the pixel level by employing global clumping index map at 500m resolution (He et al., 2012) instead of land ...

2017年11月15日 · There exist four long time-series global LAI products since the 1980s, namely GLASS AVHRR, NCEI AVHRR, GIMMS3g and GLOBMAP. Currently, no inter-comparison studies exist to evaluate these LAI products and understand their …

Leaf area index (LAI) is a critical parameter for modeling vegetation's water, carbon and energy exchange with the atmosphere. Several global LAI datasets have been generated from satellite observations. However, they are limited in temporal coverage and …

2019年11月1日 · The GLOBMAP (V3.0) LAI is derived by integrating the MODIS and AVHRR observations (Liu et al., 2012). The effective LAI is first generated from the MODIS land surface reflectance data (MOD09A1) based on land cover-specific LAI-vegetation index relationships simulated from a 4-scale geometrical optical model ( Chen and Leblanc, 1997 ; Deng et al ...

GLOBMAP LAI provides a consistent long-term global leaf area index (LAI) product (1981-2011) at 8km resolution on Geographic grid by quantitative fusion of Moderate Resolution Imaging Spectroradiometer (MODIS) and historical Advanced Very …

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To ensure a multi-source data approach for verification of sensitive results, we also utilised both the Global Land Surface Satellite Leaf Area Index (GLASS LAI) (Ma & Liang, 2022) and GLOBMAP...

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