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ASICA SIGNED

New constraints on the Amazonian carbon balance from airborne observations of the stable isotopes of CO2

Total Cost €

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EC-Contrib. €

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Partnership

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 ASICA project word cloud

Explore the words cloud of the ASICA project. It provides you a very rough idea of what is the project "ASICA" about.

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Project "ASICA" data sheet

The following table provides information about the project.

Coordinator
WAGENINGEN UNIVERSITY 

Organization address
address: DROEVENDAALSESTEEG 4
city: WAGENINGEN
postcode: 6708 PB
website: http://www.wageningenur.nl/nl.htm

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Netherlands [NL]
 Project website http://www.asica.eu
 Total cost 2˙269˙688 €
 EC max contribution 2˙269˙688 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2014-CoG
 Funding Scheme ERC-COG
 Starting year 2015
 Duration (year-month-day) from 2015-09-01   to  2020-08-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    WAGENINGEN UNIVERSITY NL (WAGENINGEN) coordinator 827˙975.00
2    INSTITUTO NACIONAL DE PESQUISAS ESPACIAIS BR (SAO JOSE DOS CAMPOS) participant 812˙170.00
3    UNIVERSITEIT UTRECHT NL (UTRECHT) participant 296˙409.00
4    RIJKSUNIVERSITEIT GRONINGEN NL (GRONINGEN) participant 264˙398.00
5    UNIVERSITY OF LEEDS UK (LEEDS) participant 68˙735.00

Map

 Project objective

Severe droughts in Amazonia in 2005 and 2010 caused widespread loss of carbon from the terrestrial biosphere. This loss, almost twice the annual fossil fuel CO2 emissions in the EU, suggests a large sensitivity of the Amazonian carbon balance to a predicted more intense drought regime in the next decades. This is a dangerous inference though, as there is no scientific consensus on the most basic metrics of Amazonian carbon exchange: the gross primary production (GPP) and its response to moisture deficits in the soil and atmosphere. Measuring them on scales that span the whole Amazon forest was thus far impossible, but in this project I aim to deliver the first observation-based estimate of pan-Amazonian GPP and its drought induced variations. My program builds on two recent breakthroughs in our use of stable isotopes (13C, 17O, 18O) in atmospheric CO2: (1) Our discovery that observed δ¹³C in CO2 in the atmosphere is a quantitative measure for vegetation water-use efficiency over millions of square kilometers, integrating the drought response of individual plants. (2) The possibility to precisely measure the relative ratios of 18O/16O and 17O/16O in CO2, called Δ17O. Anomalous Δ17O values are present in air coming down from the stratosphere, but this anomaly is removed upon contact of CO2 with leaf water inside plant stomata. Hence, observed Δ17O values depend directly on the magnitude of GPP. Both δ¹³C and Δ17O measurements are scarce over the Amazon-basin, and I propose more than 7000 new measurements leveraging an established aircraft monitoring program in Brazil. Quantitative interpretation of these observations will break new ground in our use of stable isotopes to understand climate variations, and is facilitated by our renowned numerical modeling system “CarbonTracker”. My program will answer two burning question in carbon cycle science today: (a) What is the magnitude of GPP in Amazonia? And (b) How does it vary over different intensities of drought?

 Publications

year authors and title journal last update
List of publications.
2019 Getachew A. Adnew, Magdalena E.G. Hofmann, Dipayan Paul, Amzad Laskar, Jakub Surma, Nina Albrecht, Andreas Pack, Johannes Schwieters, Gerbrand Koren, Wouter Peters, Thomas Röckmann
Determination of the triple oxygen and carbon isotopic composition of CO 2 from atomic ion fragments formed in the ion source of the 253 Ultra high‐resolution isotope ratio mass spectrometer
published pages: 1363-1380, ISSN: 0951-4198, DOI: 10.1002/rcm.8478
Rapid Communications in Mass Spectrometry 33/17 2020-03-20
2019 Gerbrand Koren, Linda Schneider, Ivar R. van der Velde, Erik van Schaik, Sergey S. Gromov, Getachew A. Adnew, Dorota J. Mrozek Martino, Magdalena E. G. Hofmann, Mao-Chang Liang, Sasadhar Mahata, Peter Bergamaschi, Ingrid T. van der Laan-Luijkx, Maarten C. Krol, Thomas Röckmann, Wouter Peters
Global 3-D Simulations of the Triple Oxygen Isotope Signature Δ 17 O in Atmospheric CO 2
published pages: , ISSN: 2169-897X, DOI: 10.1029/2019jd030387
Journal of Geophysical Research: Atmospheres 2020-03-20
2017 I. T. van der Laan-Luijkx; I. T. van der Laan-Luijkx; I. R. van der Velde; I. R. van der Velde; I. R. van der Velde; I. R. van der Velde; E. van der Veen; A. Tsuruta; K. Stanislawska; A. Babenhauserheide; H. F. Zhang; H. F. Zhang; Y. Liu; W. He; W. He; H. Chen; H. Chen; K. A. Masarie; K. A. Masarie; M. C. Krol; M. C. Krol; M. C. Krol; W. Peters; W. Peters
The CarbonTracker Data Assimilation Shell (CTDAS) v1.0: implementation and global carbon balance 2001–2015
published pages: , ISSN: 1991-959X, DOI: 10.5445/IR/1000073025
VOLUME=10;ISSUE=7;STARTPAGE=2785;ENDPAGE=2800;ISSN=1991-959X;TITLE=Geoscientific Model Development 1 2020-03-20
2018 Wouter Peters, Ivar R. van der Velde, Erik van Schaik, John B. Miller, Philippe Ciais, Henrique F. Duarte, Ingrid T. van der Laan-Luijkx, Michiel K. van der Molen, Marko Scholze, Kevin Schaefer, Pier Luigi Vidale, Anne Verhoef, David WÃ¥rlind, Dan Zhu, Pieter P. Tans, Bruce Vaughn, James W. C. White
Increased water-use efficiency and reduced CO2 uptake by plants during droughts at a continental scale
published pages: 744-748, ISSN: 1752-0894, DOI: 10.1038/s41561-018-0212-7
Nature Geoscience 11/10 2020-03-20
2018 Wei He, Ivar R. van der Velde, Arlyn E. Andrews, Colm Sweeney, John Miller, Pieter Tans, Ingrid T. van der Laan-Luijkx, Thomas Nehrkorn, Marikate Mountain, Weimin Ju, Wouter Peters, Huilin Chen
CTDAS-Lagrange v1.0: A high-resolution data assimilation system for regional carbon dioxide observations
published pages: 1-41, ISSN: 1991-962X, DOI: 10.5194/gmd-2017-222
Geoscientific Model Development Discussions 2020-03-20

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