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Multi-temporal analysis of vegetation reflectance using MERIS data in the Czech Republic

and Analysis. Available from: <http://disc.sci.gsfc.nasa.gov/giovanni>. [5 July 2012]. Guanter, L, Gonzalez-Sanpedro, M & Moreno, J 2007, ‛A method for atmospheric correction of ENVISAT/MERIS data over land targets’, International Journal of Remote sensing, vol. 28, no. 3-4, pp. 709-728. Junxiang, L, Liangjun, D, Yujie, W & Yongchang, S 2006, ‛Vegetation classification of East China with multi-temporal NOAA-AVHRR data’, Front. Biol. China, vol. 1, no. 3, pp. 303-309. LPIS Sitewell 2004. Available from: <http

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Assessing the Spatio-Temporal Pattern of Land Use and Land Cover Changes in Osun Drainage Basin, Nigeria

. (eds.) 1990. Groundwater recharge: A guide to understanding and estimating natural recharge. Heise, Hannover. Lorup, J. K., Refsgaard, J. C., Mazvimavi, D. 1998. Assessing the effect of land use change on catchment runoff by combined use of statistical tests and hydrological modelling: case studies from Zimbabwe. Journal of Hydrology 205, 147–163. DOI: 10.1016/s0168-1176(97)00311-9 Martin, S. L., Hayes, D. B., Rutledge, D. T., Hyndman, D.W. 2011. The land-use legacy effect: Adding temporal context to lake chemistry. Limnology and Oceanography 56 (6

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A New Concept of Multi-Scenario, Multi-Component Animated Maps for the Visualization of Spatio-Temporal Landscape Evolution

, M. (1992) ‘Authoring Graphic Scripts: Experiences and Principles’, Cartography and Geographic Information Science, 19(4), pp. 247-260. Oberholzer, C. and Hurni, L. (2000) ‘Visualization of change in the Interactive Multimedia Atlas of Switzerland’, Computers & Geosciences, 26(1), pp. 37-43. Ogao, P. J. and Kraak, M.-J. (2002) ‘Defining visualization operations for temporal cartographic design’, International Journal of Applied Earth Observation and Geoinformation, 4(1), pp. 23-31. Plit

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Sediment geochronology and spatio-temporal and vertical distributions of radionuclides in the Upper Bonny Estuary (South Nigeria)

Abstract

Surface deposits and sediment cores were collected from the Upper Bonny Estuary, located in Southwest Nigeria, and analyzed to determine spatio-temporal and vertical distributions of radio-nuclide activities expressed in Bq·kg−1 dry weight. The results of activities of naturally occurring radionuclides of 226Ra (15 ± 2–34 ± 3 Bq·kg−1), 228Ra (32 ± 5–48 ± 6 Bq·kg−1), 40K (264 ± 29–462 ± 36 Bq·kg−1) were found to be all within the range of typical values reported for coastal regions. Ratios of 226Ra to 228Ra suggested accretion for all samples with low sediment accumulation registered during rainy months. In addition, vertical distributions at the three sampling sites were also studied with the initial aim of establishing chronologies from the decay of excess 210Pb. In two cores, excess 210Pb, estimated by subtracting 226Ra from total 210Pb on a layer-by-layer basis, exhibit relatively constant activity with discrete minima and maxima. Therefore, these cores were excluded from radiometric dating. Only the third core could be dated by the constant rate of supply model, and 137Cs was utilized to validate the 210Pb chronology.

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Investigation of the temporal change of the sources of Aeolian dust delivered to East Asia using electron spin resonance signals in quartz

Abstract

The temporal change in the number of oxygen vacancies in quartz was investigated by ob-serving the E1’ center in the atmospheric depositions collected at two cities in Japan in the recent past. The depositions collected at Fukuoka in March show the ESR intensities being correlated with the sum of the number of the days, in the month, on which Kosa was observed while no such correlation was found in the deposition those collected at Akita but a trend of decrease with time. The present results suggest that the number of oxygen vacancies in quartz might be useful to estimate quantitatively the contribution of the dust originated from China to the atmospheric deposition in Japan.

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The problem of temporal validity of reference coordinates in the context of reliability of the ETRS89 system realization in Poland

ABSTRACT

The IAG (International Association of Geodesy) Sub-Commission for the European reference frame (EUREF) passed a resolution recommending application of the ETRF2000 frame as national realizations of the ETRS89 reference system during the XXth EUREF Symposium in Gävle (Sweden) in 2010. The PL-ETRF2000 system is comprised of EPN (EUREF Permanent Network) sites. Their coordinates and their temporal changes (velocities) were accurately determined on the basis of long-term GNSS observations. The transfer of the PLETRF2000 system onto the territory of Poland is realized by the ASG-EUPOS (Active Geodetic Network – European Position Determination System) permanent sites network. The ASG-EUPOS tasks include also system maintenance by continuous or periodical control of the coordinates and velocities constancy.

According to the current Regulation of the Ministry of Administration and Digitization concerning geodesic, gravimetric and magnetic warps, the accuracy of sites of the fundamental warp (EPN sites belonging to ASG-EUPOS) may not be worse than 0.01 m for horizontal position and 0.02 m for geodesic height. It results in the necessity to monitor the performance of the reference sites for proper maintenance of the reference system.

A new team for modeling deformations in Europe was established within the EUREF Working Group (The EUREF Working Group on Deformation Models) during the EUREF 2012 Symposium in Paris. One of its tasks is taking geo-kinematic models into consideration for national realizations of the ETRS89 and maximum usage of knowledge concerning the velocity field.

The paper deals with the problem of temporal validity of the catalogue coordinates and the necessity of periodical updating them on the basis of velocities derived from long-term observations. Although Poland is located in a tectonically calm area and the intraplate velocities are small, some of the EPN and ASG-EUPOS sites have significant velocities and are subject to vertical movements. Lack of periodical updating of the coordinates realizing the reference system will cause lack of fulfillment of the assumed accuracy criterion.

Analysis of horizontal and vertical velocities of sites belonging to the fundamental warp lead to assumption that two sites will exceed horizontal criterion in a period of time shorter than 10 years counting from the reference epoch (i.e. from 2011.0): KATO horizontal coordinates should be updated in 2014 and GWWL in 2021. Mores sites will exceed vertical criterion: BOGI (2021), GWWL (2015), KATO (2019), SWKI (2019) and ZYWI (2021). The vertical component updating will require of course changes of the horizontal component (coordinates are determined in the Cartesian orthogonal XYZ coordinate system and then recalculated for the ellipsoidal coordinates). Besides periodical coordinates updating it is recommended to conduct repeated processing for the entire network according to the EUREF standards for taking the current GNSS observations into consideration.

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Heat stress and occupational health and safety – spatial and temporal differentiation

Abstract

Evidence of climatic health hazards on the general population has been discussed in many studies but limited focus is placed on developing a relationship between climate and its effects on occupational health. Long working hours with high physical activity can cause health problems for workers ranging from mild heat cramps to severe heat stroke leading to death. The paper presents the possible risk of heat hazard to outdoor workers, using the example of Warsaw. The heat stress hazard, defined by WBGT values above 26 and 28°C and UTCI above 32 and 38°C, is assessed from two perspectives: its spatial distribution on a local scale and its temporal changes during the 21st century due to climate change. City centre and industrial districts were identified as the places with the greatest heat stress hazard. The number of heat stress days in a year (as predicted for the 21st century) is increasing, meaning that heat-related illnesses are more likely to have a direct impact on workers’ health.

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Temporal Changes of Land Cover in Relation to Chosen Environmental Variables in Different Types of Landscape

REFERENCES Baudry J., 1993, Landscape dynamics and farming systems: problems of relating patterns and predicting ecological changes, in: Bunce R.G.H., Ryszkowski L., Paoletti M.G. (ed.) Landscape Ecology and Agroecosystems. M.G. Lewis Publishers, Boca Raton. Fu B., Zhang Q., Chen L., Zhao W., Gulinck H., Liu G., Yang Q., Zhu Y., 2006, Temporal change in land use and its relationship to slope degree and soil type in a small catchment on the Loess Plateau of China. Catena , 65, 41-48. Giętkowski T., Zachwatowicz M., (in press), Przemiany

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Spatio-Temporal Dynamics in Land Use and Habitat Fragmentation within a Protected Area Dedicated to Tourism in a Sudanian Savanna of West Africa

., Visser, M., Sinsin, B., Lejoly, J. & Bogaert, J. (2008). Influence des actions anthropiques sur la dynamique spatio-temporelle de l’occupation du sol dans la province du Bas-Congo (RD Congo). Sciences & Nature 5: 49–60 Barima, Y.S.S, Barbier, N., Bamba, I., Traoré, D., Lejoly, J., & Bogaert, J. (2009). Dynamique paysagère en milieu de transition forêt-savane ivoirienne. Bois et Forêt des Tropiques 299: 15-25 Baskent, E.Z., & Kadiogullari, A.I. (2007). Spatial and temporal dynamics of land use pattern in Turkey: a case study in Inegöl. Landscape Urban

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Temporal analysis of urban changes and development in Warsaw’s ventilation corridors

References Alanen, AR 1992, ‘MODEL COMMU NITIES: THE GA RDEN CITY MOVEME NT IN AU STRAL IA’, Landscape Journal , vol. 11, no. 2, pp. 188–190. <10.3368/lj.11.2.188>. Amati, M & Yokohari, M 2006, ‘Temporal changes and local variations in the functions of London’s green belt’, Landscape and urban planning , vol. 75, no. 1, pp. 125–142. Available from: < http://www.sciencedirect.com/science/article/pii/S0169204605000101 >. [16 September 2014]. Blaschke, T 2010, ‘Object based image analysis for remote sensing’, ISPRS journal of photogrammetry and

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