ZhaoPengYangEtAl2017

Reference

Zhao, Z., Peng, C., Yang, Q., Meng, F.-R., Song, X., Chen, S., Epule, T.E., Li, P., Zhu, Q. (2017) Model prediction of biome-specific global soil respiration from 1960 to 2012. Earth's Future, 5(7):715-729. (Scopus )

Abstract

Biome-specific soil respiration (Rs) has important yet different roles in both the carbon cycle and climate change from regional to global scales. To date, no comparable studies related to global biome-specific Rs have been conducted applying comprehensive global Rs databases. The goal of this study was to develop artificial neural network (ANN) models capable of spatially estimating global Rs and to evaluate the effects of interannual climate variations on 10 major biomes. We used 1976 annual Rs field records extracted from global Rs literature to train and test the ANN models. We determined that the best ANN model for predicting biome-specific global annual Rs was the one that applied mean annual temperature (MAT), mean annual precipitation (MAP), and biome type as inputs (r2 = 0.60). The ANN models reported an average global Rs of 93.3 ± 6.1 Pg C yr–1 from 1960 to 2012 and an increasing trend in average global annual Rs of 0.04 Pg C yr–1. Estimated annual Rs increased with increases in MAT and MAP in cropland, boreal forest, grassland, shrubland, and wetland biomes. Additionally, estimated annual Rs decreased with increases in MAT and increased with increases in MAP in desert and tundra biomes, and only significantly decreased with increases in MAT (r2 = 0.87) in the savannah biome. The developed biome-specific global Rs database for global land and soil carbon models will aid in understanding the mechanisms underlying variations in soil carbon dynamics and in quantifying uncertainty in the global soil carbon cycle. © 2017 The Authors.

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@ARTICLE { ZhaoPengYangEtAl2017,
    AUTHOR = { Zhao, Z. and Peng, C. and Yang, Q. and Meng, F.-R. and Song, X. and Chen, S. and Epule, T.E. and Li, P. and Zhu, Q. },
    TITLE = { Model prediction of biome-specific global soil respiration from 1960 to 2012 },
    JOURNAL = { Earth's Future },
    YEAR = { 2017 },
    VOLUME = { 5 },
    NUMBER = { 7 },
    PAGES = { 715-729 },
    NOTE = { cited By 0 },
    ABSTRACT = { Biome-specific soil respiration (Rs) has important yet different roles in both the carbon cycle and climate change from regional to global scales. To date, no comparable studies related to global biome-specific Rs have been conducted applying comprehensive global Rs databases. The goal of this study was to develop artificial neural network (ANN) models capable of spatially estimating global Rs and to evaluate the effects of interannual climate variations on 10 major biomes. We used 1976 annual Rs field records extracted from global Rs literature to train and test the ANN models. We determined that the best ANN model for predicting biome-specific global annual Rs was the one that applied mean annual temperature (MAT), mean annual precipitation (MAP), and biome type as inputs (r2 = 0.60). The ANN models reported an average global Rs of 93.3 ± 6.1 Pg C yr–1 from 1960 to 2012 and an increasing trend in average global annual Rs of 0.04 Pg C yr–1. Estimated annual Rs increased with increases in MAT and MAP in cropland, boreal forest, grassland, shrubland, and wetland biomes. Additionally, estimated annual Rs decreased with increases in MAT and increased with increases in MAP in desert and tundra biomes, and only significantly decreased with increases in MAT (r2 = 0.87) in the savannah biome. The developed biome-specific global Rs database for global land and soil carbon models will aid in understanding the mechanisms underlying variations in soil carbon dynamics and in quantifying uncertainty in the global soil carbon cycle. © 2017 The Authors. },
    AFFILIATION = { Guangxi Key Laboratory of Forest Ecology and Conservation, College of Forestry, Guangxi University, Nanning, China; Institute of Environment Sciences, Department of Biology Sciences, University of Quebec at Montreal, Montreal, Canada; Center for Ecological Forecasting and Global Change, College of Forestry, Northwest A & F University, Yangling, China; Faculty of Forestry and Environmental Management, University of New Brunswick, Fredericton, Canada; The Nurturing Station for the State Key Laboratory of Subtropical Silviculture, Zhejiang A & F University, Linan, China; School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing, China },
    AUTHOR_KEYWORDS = { artificial neural network; biome; global change; precipitation; soil respiration; temperature anomaly },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1002/2016EF000480 },
    SOURCE = { Scopus },
    URL = { https://www.scopus.com/inward/record.uri?eid=2-s2.0-85023620360&doi=10.1002%2f2016EF000480&partnerID=40&md5=db9e14238b8115d52d763ca0b275730d },
}

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