Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Records 1 - 16 / 16

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    Sugar and dietary fibre composition influence, by different hormonal response, the satiating capacity of a fruit-based and a β-glucan-enriched beverage
    Barone Lumaga, Roberta ; Azzali, Danilo ; Fogliano, Vincenzo ; Scalfi, Luca ; Vitaglione, Paola - \ 2012
    Food & Function 3 (2012)1. - ISSN 2042-6496 - p. 67 - 75.

    In this study the satiating capacity of three beverages containing 3 g barley β-glucan, or 2.5 g dietary fibre (DF) from fruit, or without DF (control) was evaluated. Fourteen healthy volunteers were randomized to have isocaloric breakfasts including one of the beverages in different occasions. Appetite ratings over 3 h post-breakfast and energy intakes at ad libitum lunch, blood glucose, insulin, ghrelin, PYY, GLP-1, GIP, and PP concentrations, and 24 h food intake, were assessed. The bevaerages containing DF increased fullness and satiety over 3 h post-breakfast, but only the β-glucan-enriched vs. the control significantly reduced energy intakes by 18% at lunch and 40% over the rest of the day. Blood ghrelin and PP responses were differently modulated by beverages. The fruit-based and the β-glucan-enriched beverage suppressed by 8.9% and 8.1% ghrelin response over the 3 h and the first hour post-breakfast, respectively, while only the latter increased PP response by 34.6%, compared to the control. A sucrose-sweetened beverage providing 3 g barley β-glucans can control food intake by modulating PP response and it can even reduce 24 h energy intake. Ghrelin suppression by fruit dietary fibre and mixed sugars was not sufficient to significantly reduce food intake compared to the control.

    Mapping vegetation-soil-climate complexes in southern Africa using temporal Fourier analysis of NOAA-AVHRR NDVI data
    Azzali, S. ; Menenti, M. - \ 2000
    International Journal of Remote Sensing 21 (2000)5. - ISSN 0143-1161 - p. 973 - 996.
    Mapping isogrowth zones on continental scale using temporal Fourier analysis of AVHRR-NDVI data
    Azzali, S. ; Menenti, M. - \ 1999
    International Journal of applied Earth Observation and Geoinformation 1 (1999)1. - ISSN 0303-2434 - p. 9 - 20.
    A colour composite of NOAA-AVHRR-NDVI based on time series analysis (1981-1992)
    Verhoef, W. ; Menenti, M. ; Azzali, S. - \ 1996
    International Journal of Remote Sensing 17 (1996)2. - ISSN 0143-1161 - p. 231 - 335.
    toepassingen - landgebruik - ruimtelijke ordening - remote sensing - zuid-amerika - zonering - applications - land use - physical planning - remote sensing - south america - zoning
    This paper describes an image obtained by applying a Fast Fourier Transform algorithm to a long time-series of satellite images: ten years of monthly images of the Normalized Difference Vegetation Index, a measure of the amount of green vegetation cover, for the entire South and Central America. The paper also gives a brief overview and literature references on the work done by the authors in the past five years.
    Fourier analysis of temporal NDVI in the Southern African and American continents
    Azzali, S. ; Menenti, M. - \ 1996
    Wageningen : SC-DLO (Report 108) - 149 p.
    Results of applying Fourier analysis of temporal NDVI in southern Africa and southern America are summarized. The decomposition of complex time series of images in simpler periodic components by Fourier analysis allowed the factors that affect the vegetation cover to be analysed much easier. The project provided the first detailed and quantitative climatology of the response of vegetation cover on the continental scale of southern Africa over a period of ten years. The more detailed studies in Argentina and Zambia gave results of practical relevance to agricultural monitoring. Numeric classification methods are improved by applying performance indices and aspects of the fuzzy-sets :theory.
    Remote sensing, GIS and hydrological modelling for irrigation management
    Menenti, M. ; Azzali, S. ; Urso, G. d' - \ 1996
    In: Sustainability of irrigated agriculture / Pereira, L.S., Feddes, R.A., Gilley, J.R., Lesaffre, B., - p. 453 - 472.
    This paper gives an overview of literature and of work done by the authors between 1988 and 1993. It was presented at a NATO expert meeting on sustainability of irrigated agriculture in 1994. The paper deals with crop water requirements and crop waterstress, assessing irrigation performance with satellite data, monitoring drainage conditions and salt-affected areas, distributed hydrological models of irrigation schemes, water allocation on the basis of farmers' preferences, and management issues.
    Fourier analysis of time series of NOAA-AVHRR NDVI composites to map isogrowth zones
    Menenti, M. ; Azzali, S. ; Verhoef, W. - \ 1995
    In: Climate change research; evaluation and policy implications / Zwerver, S., van Rompaey, R.S.A.R., Kok, M.T.J., Berk, M.M., - p. 425 - 430.
    A measurement of the quality of vegetation zones in dynamic terms is provided by the Fourier analysis of time series of AVHRR/NDVI monthly observations over ten years. The present approach is shown to be a powerful way to classify and extract various dynamic parameters of the vegetation in Southern Africa. The resulting map of isogrowth zones of Southern Africa was highly correlated to a radiational index of dryness or Budyko ratio, as well as to the spatial distribution of vegetation types accordingto White.
    Management of irrigation schemes in arid countries
    Menenti, M. ; Azzali, S. ; Urso, G. d' - \ 1995
    In: Use of remote sensing techniques in irrigation and drainage; proceedings of the expert consultation, Montpellier, France, 2-4 November 1993. Rome, FAO, 1995. Water Rep. 4 - p. 81 - 98.
    The issue of the actual practical scope of remote sensing is to some extent a matter of unfulfilled promises in the early stage of remote sensing by satellites. A detailed analysis of irrigation management procedures should always come first. Once data requirements are defined in detail, the actual scope for using satellite data can be assessed and required data products specified in detail. Since such data requirements cannot be met with satellite data only, satellite data have to be merged with other data sets and a variety of calculation procedures must be applied.
    High and low resolution satellite images to monitor agricultural land
    Azzali, S. - \ 1990
    Wageningen : SC-DLO (Report / Winand Staring Centre 18) - 82
    remote sensing - toepassingen - landbouw - oogsttoename - oogstverliezen - opbrengsten - ruimtelijke ordening - landgebruik - zonering - agrometeorologie - zambia - remote sensing - applications - agriculture - yield increases - yield losses - yields - physical planning - land use - zoning - agricultural meteorology - zambia
    MARS definition study : results of the preparatory phase : main report
    Berkhout, J.J.A. ; Huijgen, J. ; Azzali, S. ; Menenti, M. - \ 1988
    Wageningen : ICW (Report / Institute for Land and Water Management Research 17) - 111
    remote sensing - weer - satellieten - schatting - gewassen - oogstvoorspelling - ruimtelijke ordening - landgebruik - zonering - oogsttoename - oogstverliezen - opbrengsten - landbouw - weersgegevens - meteorologische waarnemingen - bemonsteren - beschikbaar bodemwater - verwelkingspunt - zambia - toepassingen - computersimulatie - simulatie - simulatiemodellen - remote sensing - weather - satellites - estimation - crops - yield forecasting - physical planning - land use - zoning - yield increases - yield losses - yields - agriculture - weather data - meteorological observations - sampling - available water - wilting point - zambia - applications - computer simulation - simulation - simulation models
    Analysis of crop production in Zambia with the help of remote sensing, meteorological data and mathematical models
    Azzali, S. - \ 1988
    Wageningen : ICW (Nota / Instituut voor Cultuurtechniek en Waterhuishouding 1907) - 43
    remote sensing - toepassingen - oogsttoename - oogstverliezen - opbrengsten - agrometeorologie - zambia - modellen - onderzoek - remote sensing - applications - yield increases - yield losses - yields - agricultural meteorology - zambia - models - research
    The contribution of LANDSAT data to water management in two Italian irrigation districts
    Azzali, S. - \ 1987
    Wageningen : ICW (Nota / Instituut voor Cultuurtechniek en Waterhuishouding 1764) - 47
    remote sensing - toepassingen - gewassen - waterbehoefte - irrigatie - watervoorziening - italië - remote sensing - applications - crops - water requirements - irrigation - water supply - italy
    General features of agriculture in Zambia
    Azzali, S. - \ 1987
    Wageningen : ICW (Nota / Instituut voor Cultuurtechniek en Waterhuishouding 1791) - 92
    landbouw - agrarische bedrijfsvoering - zambia - agriculture - farm management - zambia
    Matching the analysis of LANDSAT data to users's requirements : progress report of the project : Mapping crops and their probable water stress by means of satellite images for a better irrigation management in two Italian irrigation districts
    Azzali, S. - \ 1986
    Wageningen : ICW (Nota / Instituut voor Cultuurtechniek en Waterhuishouding no. 1711) - 15
    toepassingen - akkerbouw - gewassen - veldgewassen - italië - remote sensing - waterbehoefte - applications - arable farming - crops - field crops - italy - remote sensing - water requirements
    A multi - index multi - temporal approach to map crops in the early growing season : an application to two Italian irrigation districts : East Sesia and Grande Bonifica Ferrarese
    Azzali, S. - \ 1985
    Wageningen : I.C.W. (Nota / Instituut voor Cultuurtechniek en Waterhuishouding no. 1611) - 39
    gewassen - groei - multispectrale beelden - plant-water relaties - remote sensing - scannen - bodem - waterbehoefte - crops - growth - multispectral imagery - plant water relations - remote sensing - scanning - soil - water requirements
    Greenness and brightness formulae applicable to east sesia and grande bonifica ferrarese
    Azzali, S. - \ 1985
    Wageningen : ICW (Nota / Instituut voor Cultuurtechniek en Waterhuishouding no. 1673) - 32
    toepassingen - atmosfeer - teelt - cultuurmethoden zonder grondbewerking - straling - remote sensing - temperatuur - applications - atmosphere - cultivation - no-tillage - radiation - remote sensing - temperature
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