Terroir 2014 banner
IVES 9 IVES Conference Series 9 A multilayer interactive web map of the wine growing region carnuntum with emphasis on geochemical and mineralogical zoning

A multilayer interactive web map of the wine growing region carnuntum with emphasis on geochemical and mineralogical zoning

Abstract

During a three-year study the vineyards of the wine-growing region Carnuntum have been investigated for their terroir characteristics (climate, soil, rocks) and major viticulture functions. As an outcome of the study, various thematic layers and geodata analyses describe the geo-environmental properties and variability of the wine growing region and delimit homogenous multilayer mapping units by using a Geographic Information System.

These results have been converted to multilayer web services which are presented with a web map application (http://www.geologie.ac.at/en/research-development/mapping/substrate-floor/naturraum-carnuntum/).

The web map gives access to grouped thematic layers which represent climatic parameters (e.g. HUGLIN-Index, risk of frost), soil physics (e.g. available water capacity), soil chemistry and nutrients, rock geochemistry, geology, mineralogy and apparent resistivity maps. Using the web map interface one is able navigate on-screen to areas of interest and select the desired layers in any combination and transparency for display on aerial images. As the study results are made available to winemakers of the region and to the general public, the web map shall primarily serve as an information tool but is also intended to promote and communicate scientific research for the exploration of winegrowing regions.

The functions of the web map focus on the evaluation of the vertical and lateral variations of rocks and soils. In the study area more than 200 samples were taken by drilling or at sampling pits and analysed for grainsize distribution, clay mineral and bulk mineral content and whole rock geochemistry. By exploratory data analysis of the sample data the parameters were used to compare regional areas and lithostratigraphic units with graphs and descriptive statistics. The results of the exploratory data analysis contribute to the characterization of the stratigraphic units and the zoning of the study region.

DOI:

Publication date: July 31, 2020

Issue: Terroir 2014

Type: Article

Authors

Maria HEINRICH (1), Ingeborg WIMMER-FREY (1), Heinz REITNER (1), Josef EITZINGER (2), Johann GRASSL (3), Gerhard HOBIGER (1), Erwin MURER (4), Herbert PIRKL (5), Julia RABEDER (1), Johann REISCHER (1), Martin SCHIEGL (1) AND Heide SPIEGEL (6)

(1) Geological Survey of Austria, Vienna, Austria,
(2) University of Natural Resources and Applied Life Sciences, Vienna, Austria, 
(3) Carnuntum Wine Region Cooperation, Bruck an der Leitha, Austria,
(4) Federal Agency for Water Management, Petzenkirchen, Austria, 
(5) Technical Office for Geology, Vienna, Austria, 6 Austrian Agency for Health and Food Safety, Vienna, Austria 

Contact the author

Keywords

Carnuntum, Web Map, Mineralogy, Geochemistry, Grainsize Distribution

Tags

IVES Conference Series | Terroir 2014

Citation

Related articles…

Chemical markers in wine related to low levels of yeast available nitrogen in the grape

Nitrogen is an important nutrient of yeast and its low content in grape must is a major cause for sluggish fermentations. To prevent problems during fermentation, a supplementation of the must with ammonium salts or more complex nitrogen mixtures is practiced in the cellar. However this correction seems to improve only partially the quality of wine [1]. In fact, yeast is using nitrogen in many of its metabolic pathways and depending of the sort of the nitrogen source (ammonium or amino acids) it produces different flavor active compounds. A limitation in amino acids can lead to a change in the metabolic pathways of yeast and consequently alter wine quality.

Application of Hyper Spectral Imaging for early detection of rachis browning in table grapes

Rachis browning is a common abiotic stress that occurs during postharvest storage, leading to a decrease in commercial value of table grapes and resulting in significant economic losses. Its early detection could enable the implementation of preventive strategies. In this report, we show the feasibility of a non-destructive early detection of browning based on Hyper Spectral Imaging (HSI). Furthermore, rachis samples were subjected to transcriptomic analysis to understand putative pathways causing differences in browning within varieties.

NEW INSIGHTS INTO THE EFFECT OF TORULASPORA DELBRUECKII/SACCHAROMYCES CEREVISIAE INOCULATION STRATEGY ON MALOLACTIC FERMENTATION PERFORMANCE

Winemaking is influenced by micro-organisms, which are largely responsible for the quality of the product. In this context, Non-Saccharomyces and Saccharomyces species are of great importance not only because it influences the development of alcoholic fermentation (AF) but also on the achievement of malolactic fermentation (MLF). Among these yeasts, Torulaspora delbrueckii allows in sequential inoculation with strains of S. cerevisiae shorter MLF realizations [5] . Little information is available on the temporal effect of the presence of T. delbrueckii on (i) the evolution of AF and (ii) the MLF performance.

Caractérisation des relations hydriques sol/vigne dans un terroir languedocien

Par le fait d’une politique agricole communautaire axée sur des objectifs de qualité des produits, la recherche et l’identification des critères de cette qualité deviennent impératives. En viticulture, la notion de qualité du produit est rattachée au concept théorique de «terroir». Ce terme englobe un ensemble de paramètres du milieu (géologie, sol, climat) influant sur la récolte.

Introducing heterogeneity measurements in terroir studies. Application in the região demarcada do douro (n portugal)

Terroir zoning studies have to manage the heterogeneity and complexity of the landscape properties and processes. The varying geology is one of the main landscape properties conditioning the spatial variability of terroirs.