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242 results for “Humboldt”
Modeled temperature and Marine heatwaves intensity in the coastal Northern Humboldt Current System
<p>This dataset includes the tridimensional modeled temperature and associated research data that support the results of the article "<strong><em>Comprehensive characterization of Marine Heatwaves in a coastal Northern Humboldt Current System regional model over recent decades</em></strong>".</p> <p>Specifically, it consists of three files (NetCDF format):<br> i) Northern_MHWs.nc, this file contains the daily modeled temperature (from 2000 to 2019) within the northern domain of analysis (3-8°S) within the 250 km nearshore band for each vertical layer ranging from 0 to 250m depth. In addition, daily snapshots of MHW intensity are also included by depth.<br> ii) Central_MHWs.mat, similar to the previous file, but for the central domain of analysis, from 8 to 13°S.<br> iii) Southern_MHWs.mat, similar to the previous file, but for the southern domain of analysis, from 13 to 18°S.</p>
TEI-XML-Datenset der Tagebücher, Briefe, Dokumente, Forschungsbeiträge, Chronologieeinträge und Register der edition humboldt digital
<p>Das Datenset enthält alle edierten Texte (Tagebücher, Briefe und weitere Dokumente) sowie Paratexte (Forschungsbeiträge, Einträge der Chronologie zu Alexander von Humboldts Leben, Register und Glossar) der Version 11 der <a href="https://edition-humboldt.de">edition humboldt digital</a>, die am 4. Juni 2025 erschienen ist. Das Datenset enthält gegenüber der HTML-Version technische Fehlerkorrekturen, daher wird es als Version 11.0.1 veröffentlicht.</p> <p>Die Editionsrichtlinien stehen auf <a href="https://edition-humboldt.de/richtlinien/index.html">edition-humboldt.de</a> zur Vefügung. Das Datenmodell ist in drei verschiedene ODDs aufgeteilt (für edierte Texte, Registereinträge und Forschungsbeiträge). Dem Datenset liegen die drei RNG-Schemata bei, die ODD-Ursprungsdateien sind im GitHub-Repository <a href="https://github.com/telota/ediarum.AVHR.data-model/">ediarum.AVHR.data-model</a> zu finden. Beachten Sie bitte, dass es für das Pflanzenregister derzeit noch kein Schema gibt, da dieses aus dem Tagging automatisch erstellt wird.</p> <p>Weitere Hinweise zur digitalen Methodik finden sich in <a href="https://edition-humboldt.de/H0016212">Dumont 2024</a> und zum Editionsvorhaben im Allgemeinen in <a href="https://doi.org/10.25365/wdr-01-03-02">Kraft/Dumont 2020</a>.</p> <p>Dieses Datenset ist auch auf <a href="https://github.com/telota/edition-humboldt-digital">GitHub</a> zugänglich.</p>
Fig. 5 in Weight-length relationship, condition factor and blood parameters of farmed Cichla temensis Humboldt, 1821 (Cichlidae) in central Amazon
Fig. 5. Blood cells in tucunaré C. temensis stained by MGGW. A - Erythrocytes, B - Polychromatic erythroblasts, C - Neutrophil, D - Monocyte, E - Lymphocyte, and F - Thrombocytes. Scale bars = 5 μm.
Fig. 3 in Weight-length relationship, condition factor and blood parameters of farmed Cichla temensis Humboldt, 1821 (Cichlidae) in central Amazon
Fig. 3. Relationshipbetweenhematocritandredbloodcells (r = 0.950; p<0.001) in C. temensis (n = 40) farmed in central Amazon.
Fig. 4 in Weight-length relationship, condition factor and blood parameters of farmed Cichla temensis Humboldt, 1821 (Cichlidae) in central Amazon
Fig. 4. Relationship between hematocrit and hemoglobin concentration (r = 0.860; p<0.001) in C. temensis (n = 40) farmed in central Amazon.
Fig. 13 in Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela
Fig. 13. – Example of labels associated with the Bonpland and Humboldt monocotyledon specimens at B-W. A. Bonpland label showing different handwritings (1) Bonpland, (2) Humboldt, (3) Willdenow, (4) D. F. L. von Schlechtendal; B. Bonpland label showing different handwritings (1) Bonpland, (2) Humboldt, (3) D. F. L. von Schlechtendal. [© Botanischer Garten und Botanisches Museum Berlin-Dahlem]
Fig. 15 in Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela
Fig. 15. – Monocotyledon specimen collected by Bonpland and Humboldt deposited in HAL. The specimen is an isotype of Scleria cyperina Kunth (Cyperaceae) collected in present-day Sucre state of Venezuela. Note D. F. C. von Schlechtendal's handwriting on the label (bottom left-hand corner of the specimen). [© Herbarium, Martin-Luther Universität, Halle-Wittenberg]
Fig. 8 in Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela
Fig. 8. – Representative specimen of the monocotyledon collection deposited in P-Bonpl. The example is Heliconia psittacorum L. f. (Heliconiaceae) collected in the region of Caripe, northeastern Venezuela. [© Herbarium, Muséum National d'Histoire Naturelle, Paris]
Fig. 7 in Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela
Fig. 7. – Main pathways by which monocotyledon specimens collected by Bonpland and Humboldt in Venezuela (1799-1800) were distributed to individuals and herbaria.
Fig. 10 in Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela
Fig. 10. – Representative specimen collected by Bonpland and Humboldt deposited in P. The example is Smilax cumanensis Willd. (Smilacaceae). Note Bonpland's handwriting on the original label (bottom left-hand corner of the specimen). [© Herbarium, Muséum National d'Histoire Naturelle, Paris]
Fig. 9 in Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela
Fig. 9. – Examples of labels associated with the monocotyledon specimens at P-Bonpl. A-B. Original labels with Bonpland's handwriting (i.e., collector's number and locality) and subsequent determinations made by Kunth; C-F. Replacement labels with only Kunth's handwriting. [© Herbarium, Muséum National d'Histoire Naturelle, Paris]
Fig. 6. – A in Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela
Fig. 6. – A page from the "Journal Botanique" of Bonpland and Humboldt. Humboldt's handwriting can be recognized on the left-hand side of the page (arrow 1); Bonpland's handwriting can be recognized on the right-hand side of the page (arrow 2). [© Bibliothèque Centrale, Muséum National d'Histoire Naturelle, Paris]
Fig. 4 in Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela
Fig. 4. – Extracts of D. F. L. von Schlechtendal's catalogue of B-W. The first column at left corresponds to the number under which the taxon is filed in the herbarium. A. List of Canna L. (Cannaceae) taxa in the herbarium; note the name "Humboldt" is associated with Canna glauca L.; B. List of Cenchrus L. (Poaceae) taxa in the herbarium. [© Botanischer Garten und Botanisches Museum Berlin-Dahlem]
Fig. 5 in Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela
Fig. 5. – Pages from the "Journal Botanique" of Bonpland and Humboldt. A. Left-hand page lists plants sent to Cavanilles, the arrow points to an annotation by Humboldt; right-hand page lists some plants gathered in the Canary Islands; B. First pages detailing the first collections made in Venezuela. [© Bibliothèque Centrale, Muséum National d'Histoire Naturelle, Paris]
Fig. 2 in Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela
Fig. 2. – Herbarium of the Muséum National d'Histoire Naturelle, Paris. A. General view of the main building of the herbarium; B. Representative specimens corresponding to the monocotyledon collection of P-Bonpl.
Fig. 3 in Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela
Fig. 3. – Herbarium of the Botanischer Garten und Botanisches Museum Berlin-Dahlem. A. General view of the museum building; B. Representative specimens corresponding to the monocotyledon collection of B-W.
Fig. 1 in Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela
Fig. 1. – Title page of Humboldt & al. "Nova Genera et Species Plantarum", vol.1. [© Conservatoire et Jardin botaniques de la Ville de Genève]
Fig. 12 in Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela
Fig. 12. – Representative specimen collected by Bonpland and Humboldt deposited in B-W. The example is Epidendrum atropurpureum Willd. (Orchidaceae). Note Bonpland's handwriting on the original label. Arrows point to D. F. L. von Schlechtendal's annotations at the top right-hand corner of the sheet with the species name and at the bottom right-hand corner with the word "Humboldt" and letter "W" (for Willdenow). [© Botanischer Garten und Botanisches Museum Berlin-Dahlem]
Fig. 14 in Bonpland and Humboldt specimens, field notes, and herbaria; new insights from a study of the monocotyledons collected in Venezuela
Fig. 14. – Monocotyledon specimen collected by Bonpland and Humboldt deposited in B. The specimen corresponds to Amaryllis nervosa Kunth, hom. illeg. (Amaryllidaceae) collected in present-day Aragua state of Venezuela. Note Kunth's handwriting on the label (bottom left-hand corner of the specimen). [© Botanischer Garten und Botanisches Museum Berlin-Dahlem]
MPAS-Albany Land Ice model simulations of Humboldt Glacier, North Greenland, from 2007–2100
<p>This dataset contains model input and output in netCDF format, model code, and analysis scripts for simulations of Humboldt Glacier, North Greenland, through the 21st century (Hillebrand et al., 2022) using the MPAS-Albany Land Ice model (Hoffman et al., 2018). We calibrate parameters controlling basal traction, iceberg calving, and submarine melt against observations from 2007–2017. We then explore the glacier’s sensitivity to climate forcing, iceberg calving, and basal conditions in an ensemble of 24 simulations from 2007–2100. We further explore its sensitivity to uncertainties in ice-shelf melt, bed topography, and calving rate limits in targeted sensitivity experiments. Input files include surface mass balance, ocean thermal forcing, and subglacial runoff forcings provided by ISMIP6 (Nowicki et al., 2020; Slater et al., 2020). Output includes basal traction optimization solutions for the year 2007; annual 2D ice speed, basal shear and driving stresses, and geometry; annual 3D temperature; and grounded, floating, and global mass budgets at every timestep.</p> <p>References:</p> <p>Hillebrand, T. R., Hoffman, M. J., Perego, M., Price, S. F., and Howat, I. M. (2022): The contribution of Humboldt Glacier, northern Greenland, to sea-level rise through 2100 constrained by recent observations of speedup and retreat, The Cryosphere, 16, 4679–4700, <a href="https://doi.org/10.5194/tc-16-4679-2022">https://doi.org/10.5194/tc-16-4679-2022</a>.</p> <p>Hoffman, M. J., Perego, M., Price, S. F., Lipscomb, W. H., Zhang, T., Jacobsen, D., et al. (2018). MPAS-Albany Land Ice (MALI): a variable-resolution ice sheet model for Earth system modeling using Voronoi grids. <em>Geoscientific Model Development</em>, <em>11</em>(9), 3747–3780.<a href="https://doi.org/10.5194/gmd-11-3747-2018"> https://doi.org/10.5194/gmd-11-3747-2018</a></p> <p>Nowicki, S., Goelzer, H., Seroussi, H., Payne, A. J., Lipscomb, W. H., Abe-Ouchi, A., et al. (2020). Experimental protocol for sea level projections from ISMIP6 stand-alone ice sheet models. <em>The Cryosphere</em>, <em>14</em>(7), 2331–2368.<a href="https://doi.org/10.5194/tc-14-2331-2020"> https://doi.org/10.5194/tc-14-2331-2020</a></p> <p>Slater, D. A., Felikson, D., Straneo, F., Goelzer, H., Little, C. M., Morlighem, M., et al. (2020). Twenty-first century ocean forcing of the Greenland ice sheet for modelling of sea level contribution. <em>The Cryosphere</em>, <em>14</em>(3), 985–1008.<a href="https://doi.org/10.5194/tc-14-985-2020"> https://doi.org/10.5194/tc-14-985-2020</a></p>
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