ASICA SIGNED
New constraints on the Amazonian carbon balance from airborne observations of the stable isotopes of CO2
Total Cost €
0EC-Contrib. €
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0ASICA 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.
Project "ASICA" data sheet
The following table provides information about the project.
| Coordinator |
WAGENINGEN UNIVERSITY
Organization address contact info |
| 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.
| # | ||||
|---|---|---|---|---|
| 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 |
|---|---|---|---|
| 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 highâ€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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