Karl H. Norris

4.9k total citations · 2 hit papers
98 papers, 3.6k citations indexed

About

Karl H. Norris is a scholar working on Analytical Chemistry, Plant Science and Biochemistry. According to data from OpenAlex, Karl H. Norris has authored 98 papers receiving a total of 3.6k indexed citations (citations by other indexed papers that have themselves been cited), including 33 papers in Analytical Chemistry, 25 papers in Plant Science and 17 papers in Biochemistry. Recurrent topics in Karl H. Norris's work include Spectroscopy and Chemometric Analyses (31 papers), Phytochemicals and Antioxidant Activities (17 papers) and Spectroscopy Techniques in Biomedical and Chemical Research (12 papers). Karl H. Norris is often cited by papers focused on Spectroscopy and Chemometric Analyses (31 papers), Phytochemicals and Antioxidant Activities (17 papers) and Spectroscopy Techniques in Biomedical and Chemical Research (12 papers). Karl H. Norris collaborates with scholars based in United States, Australia and Italy. Karl H. Norris's co-authors include S. Åsen, R. N. Stewart, W.L. Butler, J. S. Shenk, R. F. Barnes, John E. Moore, H. W. Siegelman, S. B. Hendricks, J. Todd Kuenstner and Phil Williams and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and Analytical Chemistry.

In The Last Decade

Karl H. Norris

95 papers receiving 3.2k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Predicting Forage Quality by Infrared Replectance Spectroscopy

1976 509 citations Karl H. Norris et al. profile →
DETECTION, ASSAY, AND PRELIMINARY PURIFICATION OF THE PIGMENT CONTROLLING PHOTORESPONSIVE DEVELOPMENT OF PLANTS

1959 328 citations W.L. Butler, Karl H. Norris et al. Proceedings of the National Academy of Sciences profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Karl H. Norris United States	34	1.3k	1.1k	898	579	470	98	3.6k
Marena Manley South Africa	37	1.5k 1.1×	1.9k 1.7×	567 0.6×	669 1.2×	799 1.7×	136	5.5k
Phil Williams Canada	19	1.1k 0.8×	2.4k 2.1×	290 0.3×	189 0.3×	705 1.5×	48	4.1k
C.J. Clark New Zealand	32	1.7k 1.3×	888 0.8×	264 0.3×	174 0.3×	181 0.4×	104	3.0k
L. Munck Denmark	29	911 0.7×	1.7k 1.5×	457 0.5×	84 0.1×	542 1.2×	80	3.2k
Hartwig Schulz Germany	39	1.5k 1.2×	1.6k 1.4×	1.1k 1.2×	995 1.7×	786 1.7×	104	4.9k
M.S. Dhanoa United Kingdom	15	699 0.5×	2.8k 2.5×	408 0.5×	130 0.2×	1.2k 2.5×	32	4.2k
Dominique Bertrand France	33	704 0.5×	1.5k 1.3×	423 0.5×	189 0.3×	544 1.2×	120	3.4k
Kerry B. Walsh Australia	47	4.4k 3.4×	2.8k 2.5×	434 0.5×	389 0.7×	666 1.4×	236	7.3k
Franklin E. Barton United States	32	940 0.7×	1.2k 1.0×	236 0.3×	73 0.1×	456 1.0×	115	3.2k
S.J. Lister United Kingdom	18	697 0.5×	2.8k 2.5×	427 0.5×	122 0.2×	1.2k 2.5×	32	4.5k

Countries citing papers authored by Karl H. Norris

Since Specialization

Citations

This map shows the geographic impact of Karl H. Norris's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Karl H. Norris with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Karl H. Norris more than expected).

Fields of papers citing papers by Karl H. Norris

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karl H. Norris. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Karl H. Norris. The network helps show where Karl H. Norris may publish in the future.

Co-authorship network of co-authors of Karl H. Norris

This figure shows the co-authorship network connecting the top 25 collaborators of Karl H. Norris. A scholar is included among the top collaborators of Karl H. Norris based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Karl H. Norris. Karl H. Norris is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Ferrari, Marco, Karl H. Norris, & Michael G. Sowa. (2012). Medical near Infrared Spectroscopy 35 Years after the Discovery. Journal of Near Infrared Spectroscopy. 20(1). vii–ix. 18 indexed citations

Norris, Karl H.. (2009). Hazards with near Infrared Spectroscopy in Detecting Contamination. Journal of Near Infrared Spectroscopy. 17(4). 165–166. 15 indexed citations

Norris, Karl H.. (2009). Evaluating Performance of NIR Spectrometers over Time. NIR news. 20(3). 11–15. 1 indexed citations

Norris, Karl H.. (2005). NIR is Alive and Growing. NIR news. 16(7). 12–12. 2 indexed citations

Kuenstner, J. Todd, Karl H. Norris, & V. F. Kalasinsky. (1997). Spectrophotometry of human hemoglobin in the midinfrared region. Biospectroscopy. 3(3). 225–232. 1 indexed citations

Delwiche, Stephen R., R. E. Pitt, & Karl H. Norris. (1991). Examination of Starch‐Water and Cellulose‐Water Interactions With Near Infrared (NIR) Diffuse Reflectance Spectroscopy. Starch - Stärke. 43(11). 415–422. 28 indexed citations

Korcak, R. F., et al.. (1990). MEASUREMENT OF FRUIT TREE TOTAL LEAF NITROGEN BY NEAR-INFRARED REFLECTANCE SPECTROSCOPY. Acta Horticulturae. 241–248. 1 indexed citations

Korcak, R. F., et al.. (1987). Measurement of Apple Leaf Total Nitrogen by Near-infrared Reflectance. HortScience. 22(2). 308–309. 1 indexed citations

Norris, Karl H., et al.. (1982). Least-Squares Curve Fitting of near Infrared Spectra Predicts Protein and Moisture Content of Ground Wheat. Applied Spectroscopy. 36(3). 261–265. 68 indexed citations

10.

Iwamoto, Mutsuo, Karl H. Norris, & Susumu Kimura. (1981). Rapid prediction of chemical compositions for wheat, soybean, pork and fresh potatoes by near infrared spectrophotometric analysis.. NIPPON SHOKUHIN KOGYO GAKKAISHI. 28(2). 85–90. 11 indexed citations

11.

McElroy, S L, et al.. (1978). Determination of Moisture in Corn Kernels by Near-Infrared Transmittance Measurements. Transactions of the ASAE. 21(3). 581–584. 39 indexed citations

12.

Jen, Joseph J., Karl H. Norris, & Alley E. Watada. (1977). In Vivo Measurement of Phytochrome in Tomato Fruit. PLANT PHYSIOLOGY. 59(4). 628–629. 10 indexed citations

13.

Law, S. Edward & Karl H. Norris. (1973). Kubelka-Munk Light-Scattering Coefficients of Model Particulate Systems. Transactions of the ASAE. 16(5). 914–917. 8 indexed citations

14.

Åsen, S., et al.. (1973). Effect of pH, Anthocyanin, and Flavonoid Co-pigments on the Color of Statice Flowers. Journal of the American Society for Horticultural Science. 98(2). 174–176. 10 indexed citations

15.

Norris, Karl H., et al.. (1973). Investigation of instrumental measurements to determine aflatoxin in florisil columns. Journal of the American Oil Chemists Society. 50(9). 385–385. 1 indexed citations

16.

Åsen, S., R. N. Stewart, & Karl H. Norris. (1972). Co-pigmentation of anthocyanins in plant tissues and its effect on color. Phytochemistry. 11(3). 1139–1144. 332 indexed citations

17.

Norris, Karl H., et al.. (1969). THE ACTION SPECTRUM FOR BREAKING DIAPAUSE IN THE CODLING MOTH, Laspeyresia pomonella (L.), AND THE OAK SILKWORM, Antheraea pernyi GUER. Proceedings of the National Academy of Sciences. 63(4). 1120–1127. 15 indexed citations

18.

Beroza, Morton, K. R. Hill, & Karl H. Norris. (1968). Determination of reflectance of pesticide spots on thin-layer chromatograms using fiber optics. Analytical Chemistry. 40(11). 1608–1613. 11 indexed citations

19.

Norris, Karl H.. (1964). Simple Spectroradiometer for 0.4 to 1.2-Micron Region. Transactions of the ASAE. 7(3). 240–242. 20 indexed citations

20.

Butler, W.L. & Karl H. Norris. (1963). Lifetime of the long-wavelength chlorophyll fluorescence. Biochimica et Biophysica Acta. 66. 72–77. 47 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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