确定方向
发表于 2025-3-28 17:38:10
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使无效
发表于 2025-3-28 19:42:21
,Diffuse Flux of Greenhouse Gases — Methane and Carbon Dioxide — at the Sediment-Water Interface of 07 cores. Concentrations of methane in the surface (2 ± 1.7 cm, n=107) sediment porewater in 4 oligotrophic lakes was in the order of 0.04 ± 0.03 mM (0–0.14, n=25), 0.24 mM in one oligotrophic reservoir to high values of 1.4 ± 0.96 mM (0–2.8, n=18) in 5 eutrophic-hypereutrophic lakes and 1.4 ± 1.0 m
吹牛大王
发表于 2025-3-29 00:04:00
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leniency
发表于 2025-3-29 06:56:22
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安心地散步
发表于 2025-3-29 08:00:53
GHG Emissions from Boreal Reservoirs and Natural Aquatic Ecosystems,adian boreal region from 1993 to 2003. Fluxes were obtained with a floating chamber connected to an automated NDIR or a FTIR instrument. The results show a temporary increase in CO. and CH. fluxes, followed by a gradual return to values comparable to those observed in natural aquatic ecosystems (lak
Asparagus
发表于 2025-3-29 14:39:09
CO2 Emissions from Semi-Arid Reservoirs and Natural Aquatic Ecosystems,l 2003. Fluxes were obtained with a floating chamber connected to an automated NDIR instrument. The results showed a strong similarity between lakes and reservoirs, as is also the case in boreal regions. The values ranged from −1500 to 10800 mg CO.·m.·d. for both natural systems and reservoirs. Thes
CRUE
发表于 2025-3-29 18:09:27
,A Comparison of Carbon Dioxide Net Production in Three Flooded Uplands (FLUDEX, 1999–2002) and a Flears and NCP from a flooded wetland (ELARP) over 12 years (2 year pre-flooding, 10 years post-flooding). The 3 flooded upland areas had been chosen to have differing amounts of carbon stored in soils and vegetation. Estimates of NCP ranged from 33–55 mmole·m.·d. in the first year and decreased stead
祖传
发表于 2025-3-29 20:07:45
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absorbed
发表于 2025-3-30 01:53:53
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Collected
发表于 2025-3-30 07:21:23
Production of GHG from the Decomposition of , Inundated Phytomass and Soil,vegetation and soil samples originating from the James Bay territory over a period of approximately one year. Controlled laboratory conditions were set for water temperature (4–22°C), pH (4.5–7.0) and dissolved oxygen concentration (< 2 mg·L. and > 2 mg·L.). These conditions covered the range of con