Sentences with phrase «station quality»

So it isn't surprising that the long term temperature trend data doesn't seem to be significantly affected by station quality issues.

There can be changes in the status of station quality and some stations can be deleted and others added.

It is the same problem we discussed in our essay on the problem of poor station quality in the U.S. dataset.

We discuss microclimate biases («poor station exposures») in our «Has poor station quality biased U.S. temperature trend estimates?»

That said, the scientific analyses that the BEST team has done with the new data set are controversial, including the impact of station quality on interpreting temperature trends and the urban heat island effect.

Dr. Curry «I felt that two of the papers (AMO and surface station quality) were not yet ready for prime time.»

These can arise from many technical issues, including data selection, substandard temperature station quality, urban vs rural effects, station moves, and changes in the methods and times of measurement

Did such poor station quality exaggerate the estimates of global warming?

We have also studied station quality.

• Established the company's first remote, base maintenance station quality control office in Little Rock, Arkansas.

Earth Atmospheric Land Surface Temperature and Station Quality in the Contiguous United States

We found that this poor station quality bias increased the mean U.S. temperature trends of the raw records by about 32 %.

But for the headline Global Temperature Anomaly, which is a main indicator of Climate Change, station quality issues appear to be a very minor issue, something that «all comes out in the wash».

The first is a simple histogram study of temperature trends in groupings of stations based on Watt's survey of station quality.

NOAA has already published a similar conclusion — that station quality bias did not affect estimates of global warming ---- based on a smaller set of stations, and Anthony Anthony Watts and his team have a paper submitted, which is in late stage peer review, using over 1000 stations, but it has not yet been accepted for publication and I am not at liberty to discuss their conclusions and how they might differ.

Thus, although poor station quality might affect absolute temperature, it does not appear to affect trends, and for global warming estimates, the trend is what is important

We carefully studied issues raised by skeptics: biases from urban heating (we duplicated our results using rural data alone), from data selection (prior groups selected fewer than 20 percent of the available temperature stations; we used virtually 100 percent), from poor station quality (we separately analyzed good stations and poor ones) and from human intervention and data adjustment (our work is completely automated and hands - off).

They specifically wanted to answer the question is «the temperature rise on land improperly affected by the four key biases (station quality, homogenization, urban heat island, and station selection)?»

We carefully studied issues raised by skeptics: biases from urban heating (we duplicated our results using rural data alone), from data selection (prior groups selected fewer than 20 percent of the available temperature stations; we used virtually 100 percent), from poor station quality (we separately analyzed good stations and poor ones) and from human intervention and data adjustment (our work is completely automated and hands - off).

I was contacted by a few journos last week, I made my points, but they were interested in the implications for trend analysis, UHI effect, station quality.

was not that warming has occurred; it was that the level of warming was not affected by station selection bias, by homogenization bias, by poor station quality.

The station quality paper, likewise.