نتایج جستجو برای: water logging
تعداد نتایج: 557983 فیلتر نتایج به سال:
In Canada, climate change and forest harvesting may both threaten the ecological integrity of boreal lakes. To disentangle the effects of natural variation in climate and lake environments from those of logging, we evaluated long-term variation (1991–2003) in zooplankton communities of six boreal lakes in Ontario. We monitored concomitantly changes in zooplankton abundance and composition in th...
Some extended algorithms of checkpointing coordination and pessimistic logging schemes have been proposed for the fault tolerant mobile systems. However, not much attention has been paid for the optimistic logging scheme. The optimistic logging requires the less failure-free operation cost compared to the other logging schemes and the less failure recovery cost compared to the checkpointing sch...
Southeast Asia is a hotspot of imperiled biodiversity, owing to extensive logging and forest conversion to oil palm agriculture. The degraded forests that remain after multiple rounds of intensive logging are often assumed to be of little conservation value; consequently, there has been no concerted effort to prevent them from being converted to oil palm. However, no study has quantified the bi...
Message logging is an attractive solution to provide fault tolerance for message passing applications because it is more scalable than coordinated checkpointing. Sender-based message logging is a well known optimization that allows to save messages payload in the sender memory and so only the events corresponding to message receptions have to be logged reliably using an event logger. In existin...
The sensor database system to which new sensor data frequently arrive should provide fresh data to its clients. Toward this end, fast sensor data insertion to the database is essential. The bottleneck of the conventional sensor data insertion is disk logging that writes a log record to disk before accessing buffer pool in memory. The purpose of this paper is to show fast sensor data insertion u...
The watershed of Big Hurricane Branch, Coweeta Hydrologic Laboratory, North Carolina, USA, was logged in 1976. We measured breakdown rates of experimental leaf packs in this second-order stream prior to logging, during logging, soon after logging, and 3 additional tunes since then. Leaf breakdown was slow just after logging, apparently due to leaf burial by sediments. Thereafter, leaf breakdown...
We present a peer logging system for reducing performance overhead in fault-tolerant distributed shared memory systems. Our system provides fault-tolerant shared memory using individual checkpointing and rollback. Peer logging logs DSM modification messages to remote nodes instead of to local disks. We present results for implementations of our fault-tolerant technique using simulations of both...
VANCI-AY'J.IL 1989. Modelling selection harvesting in tropical rain forests. Long term yield estimates for natural forests require a harvesting model to enable future yields to be estimated reliably. The model should predict the felled stems, the proportion of these which are merchantable, and any damage to the residual stand. Regression analyses was used to develop a model of current logging p...
Logging-Informationen von Systemen und Diensten nehmen in ihrem Umfang durch den Detaillierungsgrad komplexer Anwendungen, aber auch durch die zunehmende Anzahl von verwendeten Systemen (etwa aufgrund der vermehrten schnellen Bereitstellung von virtuellen Maschinen z.B. in Cloud Umgebungen) immer weiter zu. Um die zeitnahe Auswertung und Reaktion auf relevante Logging-Informationen zu gewährlei...
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