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Academic literature on the topic 'Payette Associates'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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Journal articles on the topic "Payette Associates"

1

Cann, Matthew D., and K. Friedrich. "The Role of Moisture Pathways on Snowfall Amount and Distribution in the Payette Mountains of Idaho." Monthly Weather Review 148, no. 5 (April 17, 2020): 2033–48. http://dx.doi.org/10.1175/mwr-d-19-0350.1.

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Abstract The pathways air travels from the Pacific Ocean to the Intermountain West of the United States are important for understanding how air characteristics change and how this translates to the amount and distribution of snowfall. Recent studies have identified the most common moisture pathways in the Intermountain West, especially for heavy precipitation events. However, the role of moisture pathways on snowfall amount and distribution in specific regions remains unclear. Here, we investigate 24 precipitation events in the Payette Mountains of Idaho during January–March 2017 to understand how local atmospheric conditions are tied to three moisture pathways and how it impacts snowfall amount and distribution. During one pathway, southwesterly, moist, tropical air is directed into the Central Valley of California where the air is blocked by the Sierra Nevada, redirected northward and over lower terrain north of Lake Tahoe into the Snake River Plain of Idaho. Other pathways consist of unblocked flows that approach the coast of California from the southwest and then override the northern Sierra Nevada and southern Cascades, and zonal flows approaching the coast of Oregon overriding the Oregon Cascades. Air masses in the Payette Mountains of Idaho associated with Sierra-blocked flow were observed to be warmer, moister, and windier compared to the other moisture pathways. During Sierra-blocked flow, higher snowfall rates, in terms of mean reflectivity, were observed more uniformly distributed throughout the region compared to the other flows, which observed lower snowfall rates that were predominantly collocated with areas of higher terrain. Of the total estimated snowfall captured in this study, 67% was observed during Sierra-blocked flow.

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2

Flury, T., K. Hocke, N. Kämpfer, and D. L. Wu. "Enhancements of gravity wave amplitudes at midlatitudes during sudden stratospheric warmings in 2008." Atmospheric Chemistry and Physics Discussions 10, no. 12 (December 9, 2010): 29971–95. http://dx.doi.org/10.5194/acpd-10-29971-2010.

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Abstract. Two minor and one major stratospheric warming happened in January and February 2008 when the polar vortex was shifted toward midlatitudes. The analysis of temperature profiles from radiosondes in Payerne (Switzerland) during this period reveals an enhancement of gravity wave amplitudes between 25 and 30 km altitude especially during the two minor warmings around 20 January and 1 February. Increases of gravity wave amplitudes in the mid-stratosphere are associated with a strong tropopause jet and the presence of the polar vortex edge over Switzerland.

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3

Staufer, J., J. Staehelin, R. Stübi, T. Peter, F. Tummon, and V. Thouret. "Trajectory matching of ozonesondes and MOZAIC measurements in the UTLS – Part 1: Method description and application at Payerne, Switzerland." Atmospheric Measurement Techniques 6, no. 12 (December 9, 2013): 3393–406. http://dx.doi.org/10.5194/amt-6-3393-2013.

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Abstract. With the aim of improving ozonesonde observations in the upper troposphere/lower stratosphere (UTLS), we use three-dimensional forward and backward trajectories, driven by ERA-Interim wind fields to match and compare ozonesonde measurements at Payerne (Switzerland) with observations from the MOZAIC aircraft program from 1994–2009. The uncertainties associated with the sonde–MOZAIC match technique were assessed using "self-matches", i.e. matches of instruments of the same type, such as MOZAIC–MOZAIC. Despite strong vertical gradients of ozone at the tropopause, which render the match approach difficult, the method provides excellent results, showing mean differences between different MOZAIC aircraft of ±2% (typically with a few hours between the up- and downstream match points). Matches between MOZAIC aircraft and Payerne ozonesondes show an agreement of ±5% for sondes equipped with electrochemical concentration cells (ECC) and between < 5% (not scaled to total ozone) and < 10% (scaled) for the Brewer–Mast (BM) sondes after 1998. Prior to 1998, BM sondes show an offset of around 20% (scaled). No break can be identified through the change from the BM to ECC sonde types in September 2002. A comparison of BM sondes with ozone measurements from the NOXAR B747 project for the period 1995–1996 show a smaller offset of around 15% (scaled), which may indicate a small drift in the MOZAIC calibration.

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4

Staufer, J., J. Staehelin, R. Stübi, T. Peter, F. Tummon, and V. Thouret. "Trajectory matching of ozonesondes and MOZAIC measurements in the UTLS – Part 1: Method description and application at Payerne, Switzerland." Atmospheric Measurement Techniques Discussions 6, no. 4 (August 1, 2013): 7063–98. http://dx.doi.org/10.5194/amtd-6-7063-2013.

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Abstract. With the aim of improving ozonesonde observations in the upper troposphere/lower stratosphere (UTLS), we use three-dimensional forward and backward trajectories, driven by ERA-Interim wind fields to match and compare ozonesonde measurements at Payerne (Switzerland) with observations from the MOZAIC aircraft program from 1994–2009. The uncertainties associated with the sonde–MOZAIC match technique were assessed using "self-matches", i.e. matches of instruments of the same type, such as MOZAIC–MOZAIC. Despite strong vertical ozone gradients of ozone at the tropopause, which render the match approach difficult, the method provides excellent results, showing mean differences between different MOZAIC aircraft of ±2% (typically with a few hours between the up- and downstream match points). Matches between MOZAIC aircraft and Payerne ozonesondes show an agreement of ±5% for sondes equipped with electrochemical concentration cells (ECC) and between <5% (not scaled to total ozone) and <10% (scaled) for the Brewer–Mast (BM) sondes after 1998. Prior to 1998, BM sondes show an offset of around 20% (scaled). No break can be identified through the change from the BM to ECC sonde types in September 2002. A comparison of BM sondes with ozone measurements from the NOXAR B747 project for the period 1995–1996 show a smaller offset of around 15% (scaled), which may indicate a small drift in the MOZAIC calibration.

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5

Kinsky, Suzanne M., Stephanie L. Creasy, and Mary Hawk. "A Systematic Review of Health Outcomes Associated With Provision of Representative Payee Services." Psychiatric Services 70, no. 8 (August 2019): 714–27. http://dx.doi.org/10.1176/appi.ps.201800320.

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6

Blanc, P., and L. Wald. "On the effective solar zenith and azimuth angles to use with measurements of hourly irradiation." Advances in Science and Research 13 (February 2, 2016): 1–6. http://dx.doi.org/10.5194/asr-13-1-2016.

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Abstract. Several common practices are tested for assessing the effective solar zenith angle that can be associated to each measurement in time-series of in situ or satellite-derived measurements of hourly irradiation on horizontal surface. High quality 1 min measurements of direct irradiation collected by the BSRN stations in Carpentras in France and Payerne in Switzerland, are aggregated to yield time series of hourly direct irradiation on both horizontal and normal planes. Time series of hourly direct horizontal irradiation are reconstructed from those of hourly direct normal irradiation and estimates of the effective solar zenith angle by one of the six practices. Differences between estimated and actual time series of the direct horizontal irradiation indicate the performances of six practices. Several of them yield satisfactory estimates of the effective solar angles. The most accurate results are obtained if the effective angle is computed by two time series of the direct horizontal and normal irradiations that should be observed if the sky were cloud-free. If not possible, then the most accurate results are obtained from using irradiation at the top of atmosphere. Performances show a tendency to decrease during sunrise and sunset hours. The effective solar azimuth angle is computed from the effective solar zenith angle.

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7

Brunamonti, Simone, Giovanni Martucci, Gonzague Romanens, Yann Poltera, Frank G. Wienhold, Maxime Hervo, Alexander Haefele, and Francisco Navas-Guzmán. "Validation of aerosol backscatter profiles from Raman lidar and ceilometer using balloon-borne measurements." Atmospheric Chemistry and Physics 21, no. 3 (February 16, 2021): 2267–85. http://dx.doi.org/10.5194/acp-21-2267-2021.

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Abstract. Remote-sensing measurements by light detection and ranging (lidar) instruments are fundamental for the monitoring of altitude-resolved aerosol optical properties. Here we validate vertical profiles of aerosol backscatter coefficient (βaer) measured by two independent lidar systems using co-located balloon-borne measurements performed by Compact Optical Backscatter Aerosol Detector (COBALD) sondes. COBALD provides high-precision in situ measurements of βaer at two wavelengths (455 and 940 nm). The two analyzed lidar systems are the research Raman Lidar for Meteorological Observations (RALMO) and the commercial CHM15K ceilometer (Lufft, Germany). We consider in total 17 RALMO and 31 CHM15K profiles, co-located with simultaneous COBALD soundings performed throughout the years 2014–2019 at the MeteoSwiss observatory of Payerne (Switzerland). The RALMO (355 nm) and CHM15K (1064 nm) measurements are converted to 455 and 940 nm, respectively, using the Ångström exponent profiles retrieved from COBALD data. To account for the different receiver field-of-view (FOV) angles between the two lidars (0.01–0.02∘) and COBALD (6∘), we derive a custom-made correction using Mie-theory scattering simulations. Our analysis shows that both lidar instruments achieve on average a good agreement with COBALD measurements in the boundary layer and free troposphere, up to 6 km altitude. For medium-high-aerosol-content measurements at altitudes below 3 km, the mean ± standard deviation difference in βaer calculated from all considered soundings is −2 % ± 37 % (−0.018 ± 0.237 Mm−1 sr−1 at 455 nm) for RALMO−COBALD and +5 % ± 43 % (+0.009 ± 0.185 Mm−1 sr−1 at 940 mm) for CHM15K−COBALD. Above 3 km altitude, absolute deviations generally decrease, while relative deviations increase due to the prevalence of air masses with low aerosol content. Uncertainties related to the FOV correction and spatial- and temporal-variability effects (associated with the balloon's drift with altitude and different integration times) contribute to the large standard deviations observed at low altitudes. The lack of information on the aerosol size distribution and the high atmospheric variability prevent an accurate quantification of these effects. Nevertheless, the excellent agreement observed in individual profiles, including fine and complex structures in the βaer vertical distribution, shows that under optimal conditions, the discrepancies with the in situ measurements are typically comparable to the estimated statistical uncertainties in the remote-sensing measurements. Therefore, we conclude that βaer profiles measured by the RALMO and CHM15K lidar systems are in good agreement with in situ measurements by COBALD sondes up to 6 km altitude.

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8

Plakhotnyuk, I., Yu Ordin, and B. Ivasenko. "Reproductive recovery in cows with subclinical ketosis." Naukovij vìsnik veterinarnoï medicini, no. 2(160) (November 24, 2020): 21–27. http://dx.doi.org/10.33245/2310-4902-2020-160-2-21-27.

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The development of ketosis in high productive cows is accompanied by damage to various organs and systems of the body.Therefore, even with successful treatment, animals have long-term consequences leading to a decrease in milk production, metritis, steroidogenesis disorders, impaired development of follicles and yellow bodies, and infertility. It is because the problem remains poorly understood, which is associated with the special features of the restoration of reproductive function in cows with ketosis. Our research was carried out on 208 cows of Holstein and Ukrainian black-and-white dairy breeds at the age of 2–6 years, with various fatness and productivity of 6–10 thousand kg of milk per lactation. The concentration of β-ketones was determined on the 5th and 10th days after delivery using a CareSens Dual ketometer. After detecting 1.1 and more mmol/l ketone bodiesin the blood of cows, the animal was considered sick and treatment was started according to the farm scheme. After identifying the stage of the reproductive cycle, insemination was carried out using payets. The pregnancy was diagnosed with an ultrasonic device Kaixin KX 5200 on the 35-40 day after insemination. After the research, it was found that on the fifth day after giving birth, an increased content of β-ketones in the blood was found in 42,8%, and on the tenth day – in 21,4% of cows. Of these, in 18,3% of animals the disease was re-detectedon the tenth day after calving. The emergence of subclinical ketosis after parturition is accompanied by decrease(3,6days)of the period from calving to recovery of reproductive cyclicity and the number of pregnant animals(32,7%, p <0.001), and by increase of 17,6 (p <0.001) days in the duration of infertility and insemination index(by 1,3). Re-development of latent ketosis in cows complicated the course of the disease. After a diseaserelapse there was a decrease by 15,1 days (p <0.001) in the impedance period and by 66,7% (p <0.001) of fertility and an increase by 29,4 days(p <0.001) in the service period and by 11,7 the number of sperm doses used for one successful insemination. Key words: ketosis, cow, fertility, insemination index, ketometer, β-ketones, blood, reproductive cycle.

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9

Chevalier, A., F. Gheusi, R. Delmas, C. Ordóñez, C. Sarrat, R. Zbinden, V. Thouret, G. Athier, and J. M. Cousin. "Influence of altitude on ozone levels and variability in the lower troposphere: a ground-based study for western Europe over the period 2001–2004." Atmospheric Chemistry and Physics 7, no. 16 (August 22, 2007): 4311–26. http://dx.doi.org/10.5194/acp-7-4311-2007.

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Abstract. The PAES (French acronym for synoptic scale atmospheric pollution) network focuses on the chemical composition (ozone, CO, NOx/y and aerosols) of the lower troposphere (0–3000 m). Its high-altitude surface stations located in different mountainous areas in France complete the low-altitude rural MERA stations (the French contribution to the european program EMEP, European Monitoring and Evaluation Program). They are representative of pollution at the scale of the French territory because they are away from any major source of pollution. This study deals with ozone observations between 2001 and 2004 at 11 stations from PAES and MERA, in addition to 16 elevated stations located in mountainous areas of Switzerland, Germany, Austria, Italy and Spain. The set of stations covers a range of altitudes between 115 and 3550 m. The comparison between recent ozone mixing ratios to those of the last decade at Pic du Midi (2877 m), as well as trends calculated over 14-year data series at three high-altitude sites in the Alps (Jungfraujoch, Sonnblick and Zugspitze) reveal that ozone is still increasing but at a slower rate than in the 1980s and 1990s. The 2001–2004 mean levels of ozone from surface stations capture the ozone stratification revealed by climatological profiles from the airborne observation system MOZAIC (Measurement of OZone and water vapour by Airbus In-service airCraft) and from ozone soundings above Payerne (Switzerland). In particular all data evidence a clear transition at about 1000–1200 m a.s.l. between a sharp gradient below (of the order of +30 ppb/km) and a gentler gradient (+3 ppb/km) above. The same altitude (1200 m) is also found to be a threshold regarding how well the ozone levels at the surface stations agree with the free-tropospheric reference (MOZAIC or soundings). Below the departure can be as large as 40%, but suddenly drops within 15% above. For stations above 2000 m, the departure is even less than 8%. Ozone variability also reveals a clear transition between boundary-layer and free-tropospheric regimes around 1000 m a.s.l. Below, diurnal photochemistry accounts for about the third of the variability in summer, but less than 20% above – and at all levels in winter – where ozone variability is mostly due to day-to-day changes (linked to weather conditions or synoptic transport). In summary, the altitude range 1000–1200 m clearly turns out in our study to be an upper limit below which specific surface effects dominate the ozone content. Monthly-mean ozone mixing-ratios show at all levels a minimum in winter and the classical summer broad maximum in spring and summer – which is actually the superposition of the tropospheric spring maximum (April–May) and regional pollution episodes linked to persistent anticyclonic conditions that may occur from June to September. To complement this classical result it is shown that summer maxima are associated with considerably more variability than the spring maximum. This ensemble of findings support the relevance of mountain station networks such as PAES for the long-term observation of free-tropospheric ozone over Europe.

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10

Watson, John J., and Joseph Barnao. "Debt Repayment: A Typology." International Business & Economics Research Journal (IBER) 8, no. 1 (February 14, 2011). http://dx.doi.org/10.19030/iber.v8i1.3088.

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This research paper presents a four-category typology of the debt market based on attitudinal and behavioral data associated with the repayment of student loans. Qualitative interviews incorporating the Zaltman Metaphor Elicitation Technique (ZMET) as well as a quantitative survey were used to obtain the data so the typology could be created. The four groups identified were the Life Indebted, the Traditionalist, the Entrepreneur, and the Expedient Payee.

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Books on the topic "Payette Associates"

1

J, Crosbie Michael, and Payette Associates, eds. Payette Associates: An evolution of ideas. Mulgrave, Victoria, Australia: Images Pub. Group, 2003.

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2

Group, Images Publishing. Payette Associates Inc. MAS VI (Master Architect). Images Publishing Dist A/C, 2006.

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3

Gray, David Lawrence. Payette Associates: Mas VI (Master Architect Series). Images Publishing, 2003.

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4

Giuseppe, Nannerini, Mandolesi Domizia, and Caudana Fabrizio, eds. I musei, 1993-1995: Opere di Tadao Ando, Mario Botta, Arata Isozaki, Alessandro e Francesco Mendini, Rafael Moneo, Payette associati, Ieoh M. Pei, Antoine Predock, Aldo Rossi, Wilfrid e Katharina Steib. Roma: Cdp, 1995.

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