Electronic Resource
Gross Primary Productivity of Four European Ecosystems Constrained by Joint CO2 and COS Flux Measurements
| العنوان: | Gross Primary Productivity of Four European Ecosystems Constrained by Joint CO2 and COS Flux Measurements |
|---|---|
| المؤلفون: | Spielmann, F. M., Wohlfahrt, G., Hammerle, A., Kitz, F., Migliavacca, M., Alberti, G., Ibrom, Andreas, El‐Madany, T. S., Gerdel, K., Moreno, G., Kolle, O., Karl, T., Peressotti, A., Delle Vedove, G. |
| المصدر: | Spielmann , F M , Wohlfahrt , G , Hammerle , A , Kitz , F , Migliavacca , M , Alberti , G , Ibrom , A , El‐Madany , T S , Gerdel , K , Moreno , G , Kolle , O , Karl , T , Peressotti , A & Delle Vedove , G 2019 , ' Gross Primary Productivity of Four European Ecosystems Constrained by Joint CO 2 and COS Flux Measurements ' , Geophysical Research Letters , vol. 46 , no. 10 , pp. 5284-5293 . |
| بيانات النشر: | 2019 |
| نوع الوثيقة: | Electronic Resource |
| مستخلص: | Gross primary productivity (GPP), the gross uptake of carbon dioxide (CO2) by plant photosynthesis, is the primary driver of the land carbon sink, which presently removes around one quarter of the anthropogenic CO2 emissions each year. GPP, however, cannot be measured directly and the resulting uncertainty undermines our ability to project the magnitude of the future land carbon sink. Carbonyl sulfide (COS) has been proposed as an independent proxy for GPP as it diffuses into leaves in a fashion very similar to CO2, but in contrast to the latter is generally not emitted. Here we use concurrent ecosystem‐scale flux measurements of CO2 and COS at four European biomes for a joint constraint on CO2 flux partitioning. The resulting GPP estimates generally agree with classical approaches relying exclusively on CO2 fluxes but indicate a systematic underestimation under low light conditions, demonstrating the importance of using multiple approaches for constraining present‐day GPP. |
| مصطلحات الفهرس: | flux partitioning, GPP, LRU, ERU, OCS, dk/atira/pure/sustainabledevelopmentgoals/life_on_land; name=SDG 15 - Life on Land, article |
| URL: | |
| الاتاحة: | Open access content. Open access content info:eu-repo/semantics/openAccess |
| ملاحظة: | application/pdf English |
| Other Numbers: | EDN oai:pure.atira.dk:publications/5ecac0b0-edfb-4ea9-83f9-0ee978f50f8a 1110502318 |
| المصدر المساهم: | TECHNICAL KNOWLEDGE CTR DENMARK From OAIster®, provided by the OCLC Cooperative. |
| رقم الانضمام: | edsoai.on1110502318 |
| قاعدة البيانات: | OAIster |
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