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Plant Methods

, 7:41

First Online: 06 December 2011Received: 04 October 2011Accepted: 06 December 2011

Abstract

To simulate expected future global warming, hexagonal arrays of infrared heaters have previously been used to warm open-field canopies of upland crops such as wheat. Through the use of concrete-anchored posts, improved software, overhead wires, extensive grounding, and monitoring with a thermal camera, the technology was safely and reliably extended to paddy rice fields. The system maintained canopy temperature increases within 0.5°C of daytime and nighttime set-point differences of 1.3 and 2.7°C 67% of the time.

KeywordsEcosystem warming climate change canopy temperature global change infrared heating plant-climate interactions rice Yangtze River valley List of AbbreviationsCkControl-reference plot

FATEFree-air Temperature Enhancement

HDTHigh daytime temperature

HDNTHigh daytime and nighttime temperature

HNTHigh nighttime temperature

HTHigh temperature with 12 heaters

IPCCIntergovernmental Panel on Climate Change

IRHInfrared Heater

IRTInfrared Thermometer

OTCOpen-top chamber

PIDproportional-integrative derivative

TcCanopy Temperature

ΔTcIRH-warmed Tc - Reference Tc

ΔTc DDaytime IRH-warmed Tc - Reference Tc

ΔTc NNighttime IRH-warmed Tc - Reference Tc

ΔTc DNDaytime and nighttime IRH-warmed Tc - Reference Tc.

Electronic supplementary materialThe online version of this article doi:10.1186-1746-4811-7-41 contains supplementary material, which is available to authorized users.

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Autor: Muhammad Ishaq Asif Rehmani - Jingqi Zhang - Ganghua Li - Syed Tahir Ata-Ul-Karim - Shaohua Wang - Bruce A Kimball - Chu

Fuente: https://link.springer.com/







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