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REVEALS reconstruction of past vegetation cover with original RPP values for samples in Australia and Oceania

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DataCite Commons2024-07-10 更新2024-07-13 收录
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https://doi.pangaea.de/10.1594/PANGAEA.961594
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This data set presents the reconstructed vegetation cover for 80 Indopacific sites based on harmonized pollen data from the data set LegacyPollen 2.0 (https://doi.pangaea.de/10.1594/PANGAEA.929773). Sugita's REVEALS model (2000) was applied to all pollen records using REVEALSinR from the DISQOVER package (Theuerkauf et al. 2016). Pollen counts were translated into vegetation cover by accounting for taxon-specific pollen productivity and fall speed. Additionally, relevant source areas of pollen were calculated using the aforementioned taxon-specific parameters and a gaussian plume model for deposition and dispersal and forest cover was reconstructed.Values for relative pollen productivity and fall speed from the synthesis from Wiezcorek and Herzschuh (2010) were used for the reconstruction of vegetation cover. The average values from all Northern Hemisphere values were used where taxon-specific continental values were not available. We present tables with reconstructed vegetation cover for all continents with original parameters. As further details we list a table with the taxon-specific parameters used and a list of parameters adjusted in the default version of REVEALSinR.

本数据集基于LegacyPollen 2.0数据集(https://doi.pangaea.de/10.1594/PANGAEA.929773)的标准化孢粉数据,针对印太地区的80个站点重建了植被覆盖度。研究采用DISQOVER软件包(Theuerkauf等,2016)中的REVEALSinR工具,将Sugita于2000年提出的REVEALS模型应用于所有孢粉记录。通过考虑类群特异性的孢粉生产力与沉降速度,将孢粉计数转换为植被覆盖度。此外,结合上述类群特异性参数以及用于模拟孢粉沉积与扩散的高斯羽流模型,计算了孢粉的有效源区,并完成森林覆盖度的重建。本次植被覆盖度重建采用Wiezcorek与Herzschuh(2010)综合得到的相对孢粉生产力及沉降速度数值;当缺乏类群特异性的大陆尺度参数时,则采用北半球所有站点的平均数值。本数据集提供了各大陆采用原始参数重建的植被覆盖度表格,同时附加了所用类群特异性参数表,以及REVEALSinR默认版本中调整的参数列表。
提供机构:
PANGAEA
创建时间:
2023-10-18
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