Concepedia

H. D. Freyer

HD

19

Publications

1.6K

Citations

16

H-Index

1971

Active since

Affiliations

Forschungszentrum Jülich(Current)

H. D. Freyer is an author at Forschungszentrum Jülich specializing in engineering, earth science, and atmospheric science.

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Publications per year

1971–1996

19

Publications

19

Seasonal variation of <sup>15</sup>N/<sup>14</sup>N ratios in atmospheric nitrate species

H. D. Freyer · Tellus B · 1991 · 193 citations · Full text

, , +14

Seasonal trends of NH<sup>+</sup><sub>4</sub>and NO<sup>−</sup><sub>3</sub>nitrogen isotope composition in rain collected at Jülich, Germany

H. D. Freyer · Tellus · 1978 · 191 citations

, , +19

On the interaction of isotopic exchange processes with photochemical reactions in atmospheric oxides of nitrogen

H. D. Freyer, D. Kley, A. Volz‐Thomas et al. · Journal of Geophysical Research Atmospheres · 1993 · 180 citations

, , +16

<sup>13</sup>C/<sup>12</sup>C records in northern hemispheric trees during the past 500 years—Anthropogenic impact and climatic superpositions

H. D. Freyer, N. Belacy · Journal of Geophysical Research Atmospheres · 1983 · 180 citations

, , +18

A deconvolution of the tree ring based δ<sup>13</sup>C record

Tsung‐Hung Peng, Wallace S. Broecker, H. D. Freyer et al. · Journal of Geophysical Research Atmospheres · 1983 · 130 citations · Full text

, , +13

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