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Topic: Anomaly time series

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	CONTINENTAL US ANOMALY CORRELATIONS
		The verification is expressed as the correlation between the standardized anomaly from climatology computed for the forecast and that computed for the analysis.
		The time axis labels on the time series of anomaly correlations are given in the form YYMMDD/HH, where YY is the two digit year, MM is the month, DD is the day, and HH is the hour.
		These cumulative anomaly correlations by season are displayed along with the number of forecasts contributing to the result.
	www.hpc.ncep.noaa.gov /pmsl_verif (544 words)

	Anomaly (Site not responding. Last check: 2007-11-06)
		The eccentric anomaly is observed from the centre of the ellipse, using a projection of the planet's position onto the circumscribing circle; and
		The mean anomaly is the fraction of an orbital period that has elapsed, expressed as an angle.
		In an anomaly time series the times are not uniformly spaced.
	www.worldhistory.com /wiki/A/Anomaly.htm (216 words)

	MODEL PERFORMANCE STATISTICS (Site not responding. Last check: 2007-11-06)
		Time series of rms and mean height error by region for forecast day 5 in the extratropics - many models - updated biweekly.
		Time series of 850-hPa rms vector wind error and mean windspeed error by region for forecast day 3 in the extratropics - many models - updated biweekly.
		Time series of 200-hPa rms vector wind error and mean windspeed error by region for forecast day 2 in the extratropics - many models - updated biweekly.
	www.emc.ncep.noaa.gov /gmb/STATS/STATS.0722.html (647 words)

	Anomaly - Wikipedia, the free encyclopedia
		See anomaly (physics) and conformal anomaly, chiral anomaly, gravitational anomaly, gauge anomaly, mixed anomaly, global anomaly, parity anomaly.
		In geodesy and geophysics, the gravity anomaly (e.g., Bouguer anomaly or free-air anomaly) measures variations in the Earth's gravitational field.
		Anomaly is a hip-hop and electronica deejay in Kingston, Canada.
	en.wikipedia.org /wiki/Anomaly (261 words)

	Technical Summary : MMS Publication 2000-045 Dynamic Height and Seawater Transport Across the Louisiana-Texas Shelf ... (Site not responding. Last check: 2007-11-06)
		Pressure anomaly profiles were computed from temperature and salinity time series using linear interpolative techniques, and were then fitted to dynamic modes of pressure anomaly.
		Time series of high resolution pressure profiles reconstructed from the dynamic modes and modal amplitudes are the basis for estimation of the time evolution of dynamic height and (following application of geostrophy) cross-shelf geostrophic transport at the shelf break.
		Mean steric water level anomaly from the shelf break moorings is consistent with the smooth annual cycle determined from 1992-1994 LATEX A and C cruise hydrography by Current (1996), and is notably similar to the findings of Whitaker (1971) throughout the northern and western part of the Gulf of Mexico.
	www.gomr.mms.gov /homepg/regulate/environ/techsumm/2000/2000-045.html (845 words)

	[No title] (Site not responding. Last check: 2007-11-06)
		Monthly anomaly time series for each two-degree square from the equator to 70 degrees North were low-pass filtered at four years, and normalized by the local standard deviation.
		Attention is focused on the extreme events, the upper and lower deciles, of the anomaly time series.
		The long time scale of these extreme events and the continuity of their movements suggests a useful degree of predictability of sea surface temperature based on persistence and propagation of features.
	www.aoml.noaa.gov /general/admin/fy96/hfb3q96.html (414 words)

	Path Models for Time Series Anomaly Detection
		A series is modeled by the path formed in 3-space traced by the data and either its first two derivatives, or two low-pass filtered copies of the data, scaled to fit a unit cube.
		A path model assigns errors to points in a time series depending on the distance to the path traced by the features of a model waveform, such as its derivatives or low pass filtered values.
		A desirable property for a time series model is a parameterized description which is understandable and editable by humans.
	www.cs.fit.edu /~mmahoney/nasa/tsad1.html (1908 words)

	Anomaly time series -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-11-06)
		An anomaly time series is the (A series of values of a variable at successive times) time series of deviations of a quantity from some (An average of n numbers computed by adding some function of the numbers and dividing by some function of n) mean.
		Instead of the (The sum of the values of a random variable divided by the number of values) arithmetic mean, other indicators of (A surrounding or nearby region) locality may also be used, such as the numerically more robust (The value below which 50% of the cases fall) median.
		Famous atmospheric anomaly time series are for instance the (Click link for more info and facts about Southern Oscillation) Southern Oscillation index (SOI) and the (Click link for more info and facts about North Atlantic oscillation) North Atlantic oscillation index.
	www.absoluteastronomy.com /encyclopedia/a/an/anomaly_time_series.htm (214 words)

	[No title]
		Time series = a sequence of observations taken on a variable or multiple variables at successive points in time.
		It is important to test for Pulses or one-time unusual values and to either adjust the data or to incorporate a Pulse Intervention variable to account for the identified anomaly.
		Time series data presents a number of problems/opportunities that standard statistical packages either avoid or ignore.
	www.autobox.com /t1c6.html (591 words)

	NCDC: Global Surface Temperature Anomalies (Site not responding. Last check: 2007-11-06)
		To fuse the two time series, a simple linear regression is performed for global monthly (and annual) mean anomalies for the years 1982-1997, using NCEP OI SST with respect to 1982-1997 as the dependent variable and UKMO HSST with respect to 1961-90 as the independent variable.
		Time series of monthly temperature records are more often expressed as departures from a base period (e.g., 1961-1990, 1880-2003) since these records are more easily interpreted and avoid some of the problems associated with estimating absolute surface temperatures over large regions.
		These time series are calculated using land surface data from the Global Historical Climatology Network (Version 2) and sea surface temperature anomalies from the United Kingdom MOHSST data set and the NCEP Optimum Interpolated SSTs (Version2).
	lwf.ncdc.noaa.gov /oa/climate/research/anomalies/anomalies.html (2566 words)

	Time Series Encyclopedia Article, Definition, History, Biography (Site not responding. Last check: 2007-11-06)
		Time Series - We've done the research for you.
		Non-linear dependence on previous data points is of interest because of the possibility of producing a chaotic time series.
		Performing a Fourier transform to investigate the series in the frequency domain.
	www.karr.net /encyclopedia/Time_series (458 words)

	NCDC: Area Averaged Temperature Time Series for China, India, and the U.S. (Site not responding. Last check: 2007-11-06)
		In general the monthly temperature time series for a country were of most interest (less so for annual values), with interest in both anomalies and min/max values.
		This is why NCDC and ORNL decided to produce data and time series for a few countries as a pilot study to determine the usefulness to the scientific community at large.
		The time series that are produced use the GHCN Version 2 database and the Climate Analysis System (CAS) developed at NCDC.
	www.ncdc.noaa.gov /oa/climate/online/doe/doe.html (724 words)

	PNW Climate Variability
		Anomaly time series are computed as deviations from the monthly means of the full record available.
		First is the traditional Tahiti minus Darwin normalized sea-level pressure anomalies from 1882-1995; second is the SOI of Zhang and Wallace (1996) in which the index is based on COADS sea level pressure data for the Pacific basin for the period of record 1877-1992.
		Anomalies with respect to the period 1870 to 1992.
	www.atmos.washington.edu /~mantua/impacts/pnw_clim_rev.html (890 words)

	United States National and Regional Temperature Anomalies (1900-1992), in CDIAC, Trends '93
		The temperature anomaly time series, relative to a 1961-1990 means for each station, were generated for each individual station.
		The station temperature anomalies were then aggregated into regional mean temperature anomaly series.
		"Time series of regional season averages of maximum, minimum, and average temperature, and diurnal temperature range across the United States: 1901-84", Historical Climatology Series 4-5.
	gcmd.gsfc.nasa.gov /records/GCMD_CDIAC_KARL_TEMPS_TRENDS.html (733 words)

	Time Series Analysis
		The new data may be a time series of a station observation, a spatial average over a area such as average precipitation over a specific region, or a PCA time series from a Principal Component Analysis (EOF), etc.
		This new graph is basically a time series of the variance from normal temperature, either positive or negative.
		The VA time series code is almost identical, only modified slightly due to the differing length of the series.
	mason.gmu.edu /~aweese/bookbag/csi754/soi.htm (1200 words)

	NODC SOG TSA Time Series (Site not responding. Last check: 2007-11-06)
		Plots of the thermal stress anomaly (TSA), or "hotspot", time series at several hundred locations are provided here.
		The x-axis displays the time and the y-axis the hotspot value in degrees Celsius.
		The TSA value at the central pixel of the 3x3 pixel box centered on the given latitude/longitude coordinate is shown in green, while the average of the available TSA values in the 3x3 box is shown in blue.
	www.nodc.noaa.gov /sog/hotspots/timeseries.html (333 words)

	SSA Time Series Prediction
		This oscillation is modulated both in amplitude and phase with period of T=120, and is contaminated by large amplitude white noise.
		The basic idea is that we consider shortened time series, perform SSA forecast and compare our prediction with original record (which we know) at particular lead time.
		In addition, forecast RMS error, anomaly correlation, as well as and Verification time series are stored as matrices with names obtained by prefixing "rms_", "cor_", and "dat_" to Forecast name, and can be accessed in Data I/O tool.
	www.spectraworks.com /Help/prediction.html (933 words)

	Trends Online - Global, Hemispheric, and Zonal Temperature Deviations (CDIAC) - Sterin
		When these radiosonde-derived time series anomalies are compared to the MSU-based annual anomalies of Christy (1995) for the period 1979-1997, we obtain the following correlations between tropospheric temperature anomalies: 0.95 for the Globe, 0.84 for the Southern Extratropics, 0.93 for the Tropics, and 0.97 for the Northern Extratropics.
		For annual anomalies of temperature in the lower stratosphere, the correlations are: 0.95 for the Globe, 0.95 for the Southern Extratropics, 0.88 for the Tropics, and 0.95 for the Northern Extratropics.
		This cooling occurs both in the full-length time series (beginning in 1958) and in shorter time series (beginning in 1979 for comparison with the MSU time series).
	cdiac.esd.ornl.gov /trends/temp/sterin/sterin.html (920 words)

	Selected Data for Oceanographic Research
		A time series in which each year is represented by 12 individual monthly averages.
		Times series vary in length, the earliest begin in the late 1800's and latest are still being recorded (these records are current through 1987.
		Approximately, 14 time series of seawater temperature and salinty from various locations along the west coast of the U.S. The longest records come from the Scripps pier.
	dss.ucar.edu /catalogs/oceanlists/odl.html (5300 words)

	The Troup SOI and COADS SLP
		The Tahiti and Darwin SLP time series and other derived quantities, particularly the Troup Southern Oscillation Index (SOI), have been widely used in ENSO research because they offer a long-term look at an important measure of the Southern Oscillation.
		We have examined the anomaly time series as well and find very good correspondence in all of the low frequency features, but differences in high-frequency detail.
		Figure 4 shows the comparison of the 5-month triangle time-smoothed Troup SOI and the COADS surrogate Troup SOI; correlation statistics on the raw series and time smoothed series are presented in Table 1.
	www.pmel.noaa.gov /pubs/outstand/harr1647/troup.shtml (475 words)

	Temporal Anomalies in Popular Time Travel Movies
		Flight of the Navigator may be a Disney film, but it's also a well-told time travel movie which looks at the other side of the timeline, the world that exists before the time traveler changes it.
		Time travel is often used to bring lovers together, and in Kate and Leopold the century is crossed so a modern advertising executive can become a duchess.
		I've concluded that it is not a time travel movie--but I've analyzed it anyway, showing why it doesn't work under any theory of time, and providing a theory of psychic prediction which, with a few reconstructions, makes it all come out as it appears on the screen.
	www.mjyoung.net /time (1265 words)

	[No title]
		To analyze temperature and precipitation variability and its impact on China's agricultural production potential the LUC project has created a time series covering the period 1958 to 1997 for monthly mean temperature and precipitation for a 5x5 km grid cell size.
		Monthly station histories (265 for temperature and 310 for rainfall), long-term averages of mean monthly temperature and rainfall on a 5 km grid cell size and a digital elevation model (DEM) are the input data used to build the grid time series data base.
		Individual station anomalies in terms of deviation from the 31-year average were calculated and interpolated throughout China using the Mollifier interpolation technique.
	www.iiasa.ac.at /Research/LUC/GIS/clim_china_ts.htm (215 words)

	PanAmerican Climate Studies (PACS)Additional Analyses
		Land temperature anomalies are averaged between 20° N to 20° S for the tropical belt, and the sea surface temperature (SST) anomalies are averaged for the equatorial Pacific cold tongue region (6° N to 6° S, 180-90° W).
		Both series have been smoothed with a 5-point running mean, and the SST anomalies have been divided by 4 so that they can be plotted on the same ordinate as the land temperature.
		The monthly-mean time series have been smoothed with successive 9- and 5-point running means.
	www.jisao.washington.edu /pacs/additional_analyses (1471 words)

	fUSION Anomaly. Time (Site not responding. Last check: 2007-11-06)
		Time zones are described by their distance east or west of the zero meridian that passes through Greenwich, England.
		Neither mean solar time nor mean sidereal time is precisely accurate, because the motion of the earth on its axis is not regular.
		Time is a river which carries me along, but I am the river; it is a tiger that devours me, but I am the tiger; it is a fire that consumes me, but I am the fire.
	fusionanomaly.net /time.html (4025 words)

	Ta-Tm
		Teleconnections are typically found by searching for correlations in the anomalies of fields such as the sea surface temperature, with the idea being that correlations suggest the communications of perturbations from one region to another.
		Sunlight exposure during weathering and erosion tends to empty the electrons trapped in the crystal portion of the sediment, thus setting the clock to zero should it be subsequently buried beyond the reach of sunlight.
		Any series of observations of a physical variable that is sampled at changing time intervals.
	www.ep.sci.hokudai.ac.jp /~minobe/baum_glosarry_ocean/node41.html (2861 words)

	Data @ NASA GISS: GISS Surface Temperature Analysis (GISTEMP) (Site not responding. Last check: 2007-11-06)
		Anomaly values indicate difference from the corresponding 1951-1980 means.
		The temperature anomaly tells us how much warmer or colder than normal it is at a particular place and point in time, the 'normal temperature' being the mean over many (30) years (same place, same time of year).
		Whereas the individual reading represents just this spot but can be very different from nearby readings, the anomaly computed from those readings is much less dependent on location, elevation, wind patterns etc; it turns out to be representative for a region that covers several square miles.
	www.giss.nasa.gov /data/update/gistemp (796 words)

	ACCEO presentations - Anomaly time-series...
		Anomaly time-series of selected biological observations in the California Current System for the period 1980-2001.
		Panel h shows the annual mean Pacific Decadal Oscillation (PDO) Anomaly, which is an index of sea surface temperature variability poleward of 10ºN. Anomalies for panels a-f are in log units (e.g., an anomaly of 1.0 equals a factor of 10 difference from the base mean).
		Anomaly for panel g is percent survival (0.05 is a 5% higher survival rate than the base mean).
	www.pacoos.org /acceo/presentations/p12.htm (263 words)

	Correlation: Spatial Correlation (Site not responding. Last check: 2007-11-06)
		Spatial distribution of correlation of the 500 Mb geopotential height anomaly time series (Seasonal JFM) at all points on the Northern hemisphere with the time series at a specified “base point” - North Pacific.
		Aside: We can apply the idea of correlation to the linear relationship between two maps at one time, but now the means are averages over the maps and the products in Equation 1 are between matched up points of the two maps.
		When the two maps are of departures from climate normals the correlation is referred to as the anomaly correlation.
	nws.noaa.gov /om/csd/pds/pcu2/res/students/Stats/part2/Corr_Space.htm (306 words)

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