AustralieFrV1, PascalFrancis, Corpus, bibRecord, 000F02

A global model for the uptake of atmospheric hydrogen by soils

Identifieur interne : 000F02 ( PascalFrancis/Corpus ); précédent : 000F01; suivant : 000F03

A global model for the uptake of atmospheric hydrogen by soils

Auteurs : C. Morfopoulos ; P. N. Foster ; P. Friedlingstein ; P. Bousquet ; I. C. Prentice

Source :

Global biogeochemical cycles [ 0886-6236 ] ; 2012.

RBID : Pascal:12-0426403

Descripteurs français

Pascal (Inist)
- Monde, Modèle, Hydrogène, Sol, Consommation, Description, Diffusion, Dynamique, Végétation, Etude en laboratoire, Cycle, Température, Teneur eau, Problème inverse, Couverture neige, Profondeur.

English descriptors

KwdEn :
- Laboratory study, Snow cover, consumption, cycles, depth, description, diffusion, dynamics, global, hydrogen, inverse problem, models, soils, temperature, vegetation, water content.

Abstract

[1] A simple process-based model for the consumption of atmospheric hydrogen (H₂) has been developed. The model includes a description of diffusion and biological processes which together control H₂ flux into the soil. The model was incorporated into the LPJ-WHyMe Dynamic Global Vegetation Model, and used to simulate H₂ fluxes over the 1988-2006 period. The model results have been confronted with field and laboratory measurements. The model reproduces observed seasonal cycles of H₂ uptake at different sites and shows a realistic sensitivity to changes in soil temperature and soil water content in comparisons with field and laboratory measurements. A recent study, based on 3D atmospheric model inversion, found an increase of the global H₂ sink from soils, with a trend of -0.77 Tg a^-2for the 1992-2004 period (fluxes are negative as soils act as a sink for atmospheric H₂). For the same period, however, our process-based model calculates a trend of only -0.04 Tg a^-2. Even when forced with drastic changes in soil water content, soil temperature and snow cover depth, our model is unable to reproduce the trend found in the inversion-based study, questioning the realism of such a large trend.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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A11	`02`	`1`		`@1 FOSTER (P. N.)`
A11	`03`	`1`		`@1 FRIEDLINGSTEIN (P.)`
A11	`04`	`1`		`@1 BOUSQUET (P.)`
A11	`05`	`1`		`@1 PRENTICE (I. C.)`
A14	`01`			`@1 Division of Biology, Imperial College @2 Ascot @3 GBR @Z 1 aut. @Z 5 aut.`
A14	`02`			`@1 Department of Earth Sciences, University of Bristol @2 Bristol @3 GBR @Z 2 aut.`
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C01	`01`		`ENG`	@0 [1] A simple process-based model for the consumption of atmospheric hydrogen (H₂) has been developed. The model includes a description of diffusion and biological processes which together control H₂ flux into the soil. The model was incorporated into the LPJ-WHyMe Dynamic Global Vegetation Model, and used to simulate H₂ fluxes over the 1988-2006 period. The model results have been confronted with field and laboratory measurements. The model reproduces observed seasonal cycles of H₂ uptake at different sites and shows a realistic sensitivity to changes in soil temperature and soil water content in comparisons with field and laboratory measurements. A recent study, based on 3D atmospheric model inversion, found an increase of the global H₂ sink from soils, with a trend of -0.77 Tg a^-2for the 1992-2004 period (fluxes are negative as soils act as a sink for atmospheric H₂). For the same period, however, our process-based model calculates a trend of only -0.04 Tg a^-2. Even when forced with drastic changes in soil water content, soil temperature and snow cover depth, our model is unable to reproduce the trend found in the inversion-based study, questioning the realism of such a large trend.
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C03	`04`	`2`	`SPA`	`@0 Suelo @2 NT @5 04`
C03	`05`	`2`	`FRE`	`@0 Consommation @5 05`
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C03	`15`	`X`	`ENG`	`@0 Snow cover @5 15`
C03	`15`	`X`	`SPA`	`@0 Cubierta nieve @5 15`
C03	`16`	`2`	`FRE`	`@0 Profondeur @5 16`
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Format Inist (serveur)

NO :	PASCAL 12-0426403 INIST
ET :	A global model for the uptake of atmospheric hydrogen by soils
AU :	MORFOPOULOS (C.); FOSTER (P. N.); FRIEDLINGSTEIN (P.); BOUSQUET (P.); PRENTICE (I. C.)
AF :	Division of Biology, Imperial College/Ascot/Royaume-Uni (1 aut., 5 aut.); Department of Earth Sciences, University of Bristol/Bristol/Royaume-Uni (2 aut.); College of Engineering, Mathematics and Physical Sciences, University of Exeter/Exeter/Royaume-Uni (3 aut.); Laboratoire des Sciences du Climat et de l'Environnement, CEA/Gif-sur-Yvette/France (4 aut.); Department of Biological Sciences, Macquarie University, North Ryde/New South Wales/Australie (5 aut.)
DT :	Publication en série; Niveau analytique
SO :	Global biogeochemical cycles; ISSN 0886-6236; Coden GBCYEP; Etats-Unis; Da. 2012; Vol. 26; No. 3; GB3013.1-GB3013.13; Bibl. 3/4 p.
LA :	Anglais
EA :	[1] A simple process-based model for the consumption of atmospheric hydrogen (H₂) has been developed. The model includes a description of diffusion and biological processes which together control H₂ flux into the soil. The model was incorporated into the LPJ-WHyMe Dynamic Global Vegetation Model, and used to simulate H₂ fluxes over the 1988-2006 period. The model results have been confronted with field and laboratory measurements. The model reproduces observed seasonal cycles of H₂ uptake at different sites and shows a realistic sensitivity to changes in soil temperature and soil water content in comparisons with field and laboratory measurements. A recent study, based on 3D atmospheric model inversion, found an increase of the global H₂ sink from soils, with a trend of -0.77 Tg a^-2for the 1992-2004 period (fluxes are negative as soils act as a sink for atmospheric H₂). For the same period, however, our process-based model calculates a trend of only -0.04 Tg a^-2. Even when forced with drastic changes in soil water content, soil temperature and snow cover depth, our model is unable to reproduce the trend found in the inversion-based study, questioning the realism of such a large trend.
CC :	002A14B04A; 001E01B; 220B
FD :	Monde; Modèle; Hydrogène; Sol; Consommation; Description; Diffusion; Dynamique; Végétation; Etude en laboratoire; Cycle; Température; Teneur eau; Problème inverse; Couverture neige; Profondeur
ED :	global; models; hydrogen; soils; consumption; description; diffusion; dynamics; vegetation; Laboratory study; cycles; temperature; water content; inverse problem; Snow cover; depth
SD :	Mundo; Modelo; Hidrógeno; Suelo; Consumo; Difusión; Dinámica; Vegetación; Estudio en laboratorio; Temperatura; Contenido en agua; Problema inverso; Cubierta nieve; Profundidad
LO :	INIST-21109.354000509584540130
ID :	12-0426403

Links to Exploration step

Pascal:12-0426403

Le document en format XML

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<front><div type="abstract" xml:lang="en">[1] A simple process-based model for the consumption of atmospheric hydrogen (H<sub>2</sub>
) has been developed. The model includes a description of diffusion and biological processes which together control H<sub>2</sub>
 flux into the soil. The model was incorporated into the LPJ-WHyMe Dynamic Global Vegetation Model, and used to simulate H<sub>2</sub>
 fluxes over the 1988-2006 period. The model results have been confronted with field and laboratory measurements. The model reproduces observed seasonal cycles of H<sub>2</sub>
 uptake at different sites and shows a realistic sensitivity to changes in soil temperature and soil water content in comparisons with field and laboratory measurements. A recent study, based on 3D atmospheric model inversion, found an increase of the global H<sub>2</sub>
 sink from soils, with a trend of -0.77 Tg a<sup>-2 </sup>
for the 1992-2004 period (fluxes are negative as soils act as a sink for atmospheric H<sub>2</sub>
). For the same period, however, our process-based model calculates a trend of only -0.04 Tg a<sup>-2</sup>
. Even when forced with drastic changes in soil water content, soil temperature and snow cover depth, our model is unable to reproduce the trend found in the inversion-based study, questioning the realism of such a large trend.</div>
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<fC01 i1="01" l="ENG"><s0>[1] A simple process-based model for the consumption of atmospheric hydrogen (H<sub>2</sub>
) has been developed. The model includes a description of diffusion and biological processes which together control H<sub>2</sub>
 flux into the soil. The model was incorporated into the LPJ-WHyMe Dynamic Global Vegetation Model, and used to simulate H<sub>2</sub>
 fluxes over the 1988-2006 period. The model results have been confronted with field and laboratory measurements. The model reproduces observed seasonal cycles of H<sub>2</sub>
 uptake at different sites and shows a realistic sensitivity to changes in soil temperature and soil water content in comparisons with field and laboratory measurements. A recent study, based on 3D atmospheric model inversion, found an increase of the global H<sub>2</sub>
 sink from soils, with a trend of -0.77 Tg a<sup>-2 </sup>
for the 1992-2004 period (fluxes are negative as soils act as a sink for atmospheric H<sub>2</sub>
). For the same period, however, our process-based model calculates a trend of only -0.04 Tg a<sup>-2</sup>
. Even when forced with drastic changes in soil water content, soil temperature and snow cover depth, our model is unable to reproduce the trend found in the inversion-based study, questioning the realism of such a large trend.</s0>
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<s5>01</s5>
</fC03>
<fC03 i1="01" i2="2" l="SPA"><s0>Mundo</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="2" l="FRE"><s0>Modèle</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="2" l="ENG"><s0>models</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="2" l="SPA"><s0>Modelo</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="2" l="FRE"><s0>Hydrogène</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="2" l="ENG"><s0>hydrogen</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="2" l="SPA"><s0>Hidrógeno</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="2" l="FRE"><s0>Sol</s0>
<s2>NT</s2>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="2" l="ENG"><s0>soils</s0>
<s2>NT</s2>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="2" l="SPA"><s0>Suelo</s0>
<s2>NT</s2>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="2" l="FRE"><s0>Consommation</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="2" l="ENG"><s0>consumption</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="2" l="SPA"><s0>Consumo</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="2" l="FRE"><s0>Description</s0>
<s5>06</s5>
</fC03>
<fC03 i1="06" i2="2" l="ENG"><s0>description</s0>
<s5>06</s5>
</fC03>
<fC03 i1="07" i2="2" l="FRE"><s0>Diffusion</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="2" l="ENG"><s0>diffusion</s0>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="2" l="SPA"><s0>Difusión</s0>
<s5>07</s5>
</fC03>
<fC03 i1="08" i2="2" l="FRE"><s0>Dynamique</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="2" l="ENG"><s0>dynamics</s0>
<s5>08</s5>
</fC03>
<fC03 i1="08" i2="2" l="SPA"><s0>Dinámica</s0>
<s5>08</s5>
</fC03>
<fC03 i1="09" i2="2" l="FRE"><s0>Végétation</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="2" l="ENG"><s0>vegetation</s0>
<s5>09</s5>
</fC03>
<fC03 i1="09" i2="2" l="SPA"><s0>Vegetación</s0>
<s5>09</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE"><s0>Etude en laboratoire</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG"><s0>Laboratory study</s0>
<s5>10</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA"><s0>Estudio en laboratorio</s0>
<s5>10</s5>
</fC03>
<fC03 i1="11" i2="2" l="FRE"><s0>Cycle</s0>
<s5>11</s5>
</fC03>
<fC03 i1="11" i2="2" l="ENG"><s0>cycles</s0>
<s5>11</s5>
</fC03>
<fC03 i1="12" i2="2" l="FRE"><s0>Température</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="2" l="ENG"><s0>temperature</s0>
<s5>12</s5>
</fC03>
<fC03 i1="12" i2="2" l="SPA"><s0>Temperatura</s0>
<s5>12</s5>
</fC03>
<fC03 i1="13" i2="2" l="FRE"><s0>Teneur eau</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="2" l="ENG"><s0>water content</s0>
<s5>13</s5>
</fC03>
<fC03 i1="13" i2="2" l="SPA"><s0>Contenido en agua</s0>
<s5>13</s5>
</fC03>
<fC03 i1="14" i2="2" l="FRE"><s0>Problème inverse</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="2" l="ENG"><s0>inverse problem</s0>
<s5>14</s5>
</fC03>
<fC03 i1="14" i2="2" l="SPA"><s0>Problema inverso</s0>
<s5>14</s5>
</fC03>
<fC03 i1="15" i2="X" l="FRE"><s0>Couverture neige</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="X" l="ENG"><s0>Snow cover</s0>
<s5>15</s5>
</fC03>
<fC03 i1="15" i2="X" l="SPA"><s0>Cubierta nieve</s0>
<s5>15</s5>
</fC03>
<fC03 i1="16" i2="2" l="FRE"><s0>Profondeur</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="2" l="ENG"><s0>depth</s0>
<s5>16</s5>
</fC03>
<fC03 i1="16" i2="2" l="SPA"><s0>Profundidad</s0>
<s5>16</s5>
</fC03>
<fN21><s1>331</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
</fN44>
<fN82><s1>OTO</s1>
</fN82>
</pA>
</standard>
<server><NO>PASCAL 12-0426403 INIST</NO>
<ET>A global model for the uptake of atmospheric hydrogen by soils</ET>
<AU>MORFOPOULOS (C.); FOSTER (P. N.); FRIEDLINGSTEIN (P.); BOUSQUET (P.); PRENTICE (I. C.)</AU>
<AF>Division of Biology, Imperial College/Ascot/Royaume-Uni (1 aut., 5 aut.); Department of Earth Sciences, University of Bristol/Bristol/Royaume-Uni (2 aut.); College of Engineering, Mathematics and Physical Sciences, University of Exeter/Exeter/Royaume-Uni (3 aut.); Laboratoire des Sciences du Climat et de l'Environnement, CEA/Gif-sur-Yvette/France (4 aut.); Department of Biological Sciences, Macquarie University, North Ryde/New South Wales/Australie (5 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Global biogeochemical cycles; ISSN 0886-6236; Coden GBCYEP; Etats-Unis; Da. 2012; Vol. 26; No. 3; GB3013.1-GB3013.13; Bibl. 3/4 p.</SO>
<LA>Anglais</LA>
<EA>[1] A simple process-based model for the consumption of atmospheric hydrogen (H<sub>2</sub>
) has been developed. The model includes a description of diffusion and biological processes which together control H<sub>2</sub>
 flux into the soil. The model was incorporated into the LPJ-WHyMe Dynamic Global Vegetation Model, and used to simulate H<sub>2</sub>
 fluxes over the 1988-2006 period. The model results have been confronted with field and laboratory measurements. The model reproduces observed seasonal cycles of H<sub>2</sub>
 uptake at different sites and shows a realistic sensitivity to changes in soil temperature and soil water content in comparisons with field and laboratory measurements. A recent study, based on 3D atmospheric model inversion, found an increase of the global H<sub>2</sub>
 sink from soils, with a trend of -0.77 Tg a<sup>-2 </sup>
for the 1992-2004 period (fluxes are negative as soils act as a sink for atmospheric H<sub>2</sub>
). For the same period, however, our process-based model calculates a trend of only -0.04 Tg a<sup>-2</sup>
. Even when forced with drastic changes in soil water content, soil temperature and snow cover depth, our model is unable to reproduce the trend found in the inversion-based study, questioning the realism of such a large trend.</EA>
<CC>002A14B04A; 001E01B; 220B</CC>
<FD>Monde; Modèle; Hydrogène; Sol; Consommation; Description; Diffusion; Dynamique; Végétation; Etude en laboratoire; Cycle; Température; Teneur eau; Problème inverse; Couverture neige; Profondeur</FD>
<ED>global; models; hydrogen; soils; consumption; description; diffusion; dynamics; vegetation; Laboratory study; cycles; temperature; water content; inverse problem; Snow cover; depth</ED>
<SD>Mundo; Modelo; Hidrógeno; Suelo; Consumo; Difusión; Dinámica; Vegetación; Estudio en laboratorio; Temperatura; Contenido en agua; Problema inverso; Cubierta nieve; Profundidad</SD>
<LO>INIST-21109.354000509584540130</LO>
<ID>12-0426403</ID>
</server>
</inist>
</record>

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A global model for the uptake of atmospheric hydrogen by soils

A global model for the uptake of atmospheric hydrogen by soils

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