Items where Author is "Lal, D. "

Lal, D. ; Charles, C. ; Vacher, L. ; Goswami, J. N. ; Jull, A. J. T. ; McHargue, L. ; Finkel, R. C. (2006) Paleo-ocean chemistry records in marine opal: implications for fluxes of trace elements, cosmogenic nuclides (¹⁰Be and ²⁶Al), and biological productivity Geochimica et Cosmochimica Acta, 70 (13). pp. 3275-3289. ISSN 0016-7037

Ramesh, R. ; Lal, D. (1994) A critical analysis of processes governing the nutrient profiles in the ocean Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 103 (1). pp. 1-15. ISSN 0253-4126

Somayajulu, B. L. K. ; Rengarajan, R. ; Lal, D. ; Craig, H. (1991) GEOSECS Pacific and Indian Ocean ³²Si profiles Earth and Planetary Science Letters, 107 (1). pp. 197-216. ISSN 0012-821X

Lal, D. (1991) Cosmic ray labeling of erosion surfaces: in situ nuclide production rates and erosion models Earth and Planetary Science Letters, 104 (2-4). pp. 424-439. ISSN 0012-821X

Goswami, J. N. ; McGuire, R. E. ; Reedy, R. C. ; Lal, D. ; Jha, R. (1988) Solar flare protons and alpha particles during the last three solar cycles Journal of Geophysical Research, 93 (A7). pp. 7195-7205. ISSN 0148-0227

Somayajulu, B. L. K. ; Rengarajan, R. ; Lal, D. ; Weiss, R. F. ; Craig, H. (1987) GEOSECS Atlantic ³²Si profiles Earth and Planetary Science Letters, 85 (4). pp. 329-342. ISSN 0012-821X

Biswas, S. ; Chakraborty, R. ; Cowsik, R. ; Durgaprasad, N. ; Kajarekar, P. J. ; Singh, R. K. ; Vahia, M. N. ; Yadav, J. S. ; Goswami, J. N. ; Lal, D. ; Mazumdar, H. S. ; Subhedar, D. V. ; Padmanabhan, M. K. (1986) Indian cosmic ray experiment ions (Anuradha) in space shuttle spacelab-3 using CR-39 detectors International Journal of Radiation Applications and Instrumentation. Part D. Nuclear Tracks and Radiation Measurements, 12 (1-6). pp. 411-413. ISSN 1359-0189

Biswas, S. ; Chakraborti, R. ; Cowsik, R. ; Durgaprasad, N. ; Kajarekar, P. J. ; Singh, R. K. ; Vahia, M. N. ; Yadav, J. S. ; Dutt, N. ; Goswami, J. N. ; Lal, D. ; Mazumdar, H. S. ; Subhedar, D. V. ; Padmanabhan, M. K. (1986) Ionization states of cosmic rays: Anuradha (IONS) experiment in Spacelab-3 Pramana - Journal of Physics, 27 (1-2). pp. 89-104. ISSN 0304-4289

Goswami, J. N. ; Jha, R. ; Lal, D. (1984) Quantitative treatment of annealing of charged particle tracks in common minerals Earth and Planetary Science Letters, 71 (1). pp. 120-128. ISSN 0012-821X

Lal, D. ; Somayajulu, B. L. K. (1984) Some aspects of the geochemistry of silicon isotopes Tectonophysics, 105 (1-4). pp. 383-397. ISSN 0040-1951

Sharma, P. ; Somayajulu, B. L. K. ; Lal, D. ; Wolfli, W. ; Bonani, G. ; Stoller, Ch. ; Suter, M. ; Beer, J. (1983) Particle accelerator measurements of ¹⁰Be in marine accumulations: intercomparison with beta counting method Proceedings of the Indian Academy of Sciences - Earth and Planetary Sciences, 92 (1). pp. 1-4. ISSN 0253-4126

Lal, D. ; Bhonsle, R. V. ; Gupta, S. P. ; Subbaraya, B. H. (1983) Indian Space Research Organization (ISRO)- DFVLR collaboration in space sciences DFVLR DFVLR/ISRO Colloqium . pp. 129-139. ISSN 0176-7739

Bhandari, N. ; Lal, D. ; Rajan, R. S. ; Arnold, J. R. ; Marti, K. ; Moore, C. B. (1980) Atmospheric ablation in meteorites: a study based on cosmic ray tracks and neon isotopes Nuclear Tracks, 4 (4). pp. 213-262. ISSN 0191-278X

Bhandari, N. ; Lal, D. ; Nautiyal, C. M. ; Padia, J. T. ; Potdar, M. B. ; Rao, M. N. ; Venkatesan, T. R. (1980) Determination of preatmospheric sizes of meteorites using neon isotopes and particle tracks Meteoritics, 15 . p. 265. ISSN 0026-1114

Bagolia, C. ; Bhandari, N. ; Sinha, N. ; Goswami, J. N. ; Lal, D. ; Lorin, J. C. ; Pellas, P. (1980) Multiple fall of Pribram meteorites photographed. XII - Pre-atmospheric size of the Pribram meteorite based on studies of fossil cosmic ray tracks and spallation products Bulletin of the Astronomical Institutes of Czechoslovakia, 31 (1). pp. 51-58. ISSN 0004-6248

Goswami, J. N. ; Lal, D. (1979) Formation of the parent bodies of the carbonaceous chondrites Icarus, 40 (3). pp. 510-521. ISSN 0019-1035

Goswami, J. N. ; Lal, D. ; Rao, M. N. ; Venkatesan, T. R. (1979) Depositional history of Luna 24 drill core soil samples Earth and Planetary Science Letters, 44 (2). pp. 325-334. ISSN 0012-821X

Lal, D. ; Nijampurkar, V. N. ; Rajagopalan, G. ; Somayajulu, B. L. K. (1979) Annual fallout of ³²Si,²¹⁰Pb,²²Na,³⁵S and ⁷Be in rains in India Proceedings of the Indian Academy of Sciences, Section A, 88 (1). pp. 29-40. ISSN 0370-0089

Bhandari, N. ; Lal, D. ; Arnold, J. R. ; Marti, K. ; Rajan, R. S. ; Moore, C. B. (1978) Atmospheric ablation in meteorites based on cosmic ray tracks Meteoritics, 13 . pp. 391-393. ISSN 0026-1114

Krishnaswami, S. ; Lal, D. (1977) Particulate organic carbon in Atlantic surface waters Nature, 266 . pp. 713-716. ISSN 0028-0836

Lal, D. ; Somayajulu, B. L. K. (1977) Particulate transport of radionuclides ¹⁴C and ⁵⁵Fe to deep waters in the Pacific Ocean Limnology & Oceanography, 22 (1). pp. 55-59. ISSN 0024-3590

Krishnaswami, S. ; Lal, D. ; Somayajulu, B. L. K. (1976) Investigations of gram quantities of Atlantic and Pacific surface particulates Earth and Planetary Science Letters, 32 (2). pp. 403-419. ISSN 0012-821X

Krishnaswami, S. ; Lal, D. ; Somayajulu, B. L. K. ; Weiss, R. F. ; Craig, H. (1976) Large-volume in-situ filtration of deep Pacific waters: mineralogical and radioisotope studies Earth and Planetary Science Letters, 32 (2). pp. 420-429. ISSN 0012-821X

Bhandari, N. ; Lal, D. ; Trivedi, J. R. ; Bhatnagar, A. (1976) The Dhajala meteorite shower Meteoritics, 11 . pp. 137-147. ISSN 0026-1114

Lal, D. ; Nijampurkar, V. N. ; Somayajulu, B. I. K. ; Koide, M. ; Goldberg, E. D. (1976) Silicon-32 specific activities in coastal waters of the world oceans Limnology & Oceanography, 21 (2). pp. 285-293. ISSN 0024-3590

Amin, B. S. ; Lal, D. ; Somayajulu, B. L. K. (1975) Chronology of marine sediments using the ¹⁰Be method: intercomparison with other methods Geochimica et Cosmochimica Acta, 39 (8). pp. 1187-1192. ISSN 0016-7037

Biswas, S. ; Durgaprasad, N. ; Nevatia, J. ; Venkatavaradan, V. S. ; Goswami, J. N. ; Jayanthi, U. B. ; Lal, D. ; Mattoo, S. K. (1975) High fluences of low energy (10-25 MeV/amu) C, N, O and heavier ions at 450 km altitude; results from the Skylab experiment Astrophysics and Space Science, 35 (2). pp. 337-347. ISSN 0004-640X

Bhattacharya, S. K. ; Goswami, J. N. ; Lal, D. ; Patel, P. P. ; Rao, M. N. (1975) Lunar regolith and gas-rich meteorites - characterization based on particle tracks and grain-size distributions Proceedings of the Lunar and Planetary Science Conference, 3 . pp. 3509-3526. ISSN 0270-9511

Krishnaswami, S. ; Lal, D. ; Prabhu, N. ; Macdougall, D. (1974) Characteristics of fission tracks in zircon: applications to Geochronology and Cosmology Earth and Planetary Science Letters, 22 (1). pp. 51-59. ISSN 0012-821X

Bhattacharya, S. K. ; Gopalan, K. ; Goswami, J. N. ; Lal, D. ; Rao, M. N. (1974) Ancient solar wind and solar flare activity Proceedings of the Lunar and Planetary Science Conference . p. 73. ISSN 0270-9511

Bhandari, N. ; Goswami, J. N. ; Lal, D. ; Tamhane, A. S. (1973) Long-term fluxes of heavy cosmic-ray nuclei based on observations in meteorites and lunar samples Astrophysical Journal, 185 . pp. 975-984. ISSN 0004-637X

Bhattacharya, S. K. ; Goswami, J. N. ; Gupta, S. K. ; Lal, D. (1973) Cosmic ray effects induced in a rock exposed on the moon or in free space: contrast in patterns for 'tracks' and 'isotopes' Earth, Moon, and Planets, 8 (3). pp. 253-286. ISSN 0167-9295

Krishnaswami, S. ; Lal, D. ; Amin, B. S. ; Soutar, A. (1973) Geochronological studies in Santa Barbara Basin: ⁵⁵Fe as a unique tracer for particulate settling Limnology and Oceanography, 18 (5). pp. 763-770. ISSN 0024-3590

Somayajulu, B. L. K. ; Lal, D. ; Craig, H. (1973) Silicon-32 profiles in the South Pacific Earth and Planetary Science Letters, 18 (2). pp. 181-188. ISSN 0012-821X

Bhandari, N. ; Goswami, J. N. ; Lal, D. ; Tamphane, A. S. (1973) Charge composition and energy spectrum of solar flare VVH and VH nuclei Proceedings of the 13th International Conference on Cosmic Rays, Denver, Colorado, 2 . pp. 1464-1469.

Bhattacharya, S. K. ; Goswami, J. N. ; Lal, D. (1973) Semiempirical rates of formation of cosmic ray tracks in spherical objects exposed in space: preatmospheric and postatmospheric depth profiles Journal of Geophysical Research, 78 (34). pp. 8356-8363. ISSN 0148-0227

Bhandari, N. ; Goswami, J. ; Lal, D. (1973) Surface irradiation and evolution of the lunar regolith Proceedings of the Lunar Science Conference, 4 . pp. 2275-2290.

Lal, D. ; Krishnaswami, S. (1973) Trace elements: seawater to sediments Mahasagar, 6 (2). No pp. given. ISSN 0542-0938

Amin, B. S. ; Biswas, S. ; Lal, D. ; Somayajulu, B. L. K. (1972) Radiochemical measurements of ¹⁰Be and ⁷Be formation cross sections in oxygen by 135 and 550 MeV protons Nuclear Physics - Section A, 195 (1). pp. 311-320. ISSN 0375-9474

Krishnaswami, S. ; Lal, D. ; Somayajulu, B. L. K. ; Dixon, F. S. ; Stonecipher, S. A. ; Craig, H. (1972) Silicon, radium, thorium, and lead in seawater: in-situ extraction by synthetic fibre Earth and Planetary Science Letters, 16 (1). pp. 84-90. ISSN 0012-821X

Bhandari, N. ; Goswami, J. N. ; Lal, D. ; Macdougall, D. ; Tamhane, A. S. (1972) A study of the vestigial records of cosmic rays in lunar rocks using a thick section technique Proceedings of the Indian Academy of Sciences, Section A, 76 (1). pp. 27-50. ISSN 0370-0089

Bhandari, N. ; Goswami, J. N. ; Gupta, S. K. ; Lal, D. ; Tamhane, A. S. ; Venkatavaradan, V. S. (1972) Collision controlled radiation history of the lunar regolith Proceedings of the Lunar Science Conference, 2 . pp. 2811-2829. ISSN 0270-9511

Krishnaswami, S. ; Lal, D. (1972) Manganese nodules and budget of trace solubles in oceans Proceedings of the 20th Nobel Symposium . pp. 307-320.

Yuhas, D. E. ; Walker, R. M. ; Reeves, H. ; Poupeau, G. ; Pellas, P. ; Lorin, J. C. ; Chetrit, G. C. ; Berdot, J. L. ; Price, P. B. ; Hutcheon, I. D. ; Hart Jr., H. R. ; Fleischer, R. L. ; Comstock, G. M. ; Lal, D. ; Goswami, J. N. ; Bhandari, N. (1972) Track consortium report on rock 14310 Proceedings of the Lunar Science Conference, 2 . pp. 2941-2947. ISSN 0270-9511

Bhandari, N. ; Bhat, S. ; Lal, D. ; Rajagopalan, G. ; Tamhane, A. S. ; Venkatavaradhan, V. S. (1971) Fossil tracks in meteorite, Angra dos. Reis: a predominantly fission origin Nature, 234 . 540 - 543. ISSN 0028-0836

Bhandari, N. ; Bhat, S. G. ; Lal, D. ; Rajagopalan, G. ; Tamhane, A. S. ; Venkatavaradan, V. S. (1971) Fission fragment tracks in Apatites: recordable track lengths Earth and Planetary Science Letters, 13 (1). pp. 191-199. ISSN 0012-821X

Krishnaswami, S. ; Lal, D. ; Prabhu, N. ; Tamhane, A. S. (1971) Olivines: revelation of tracks of charged particles Science, 174 (4006). pp. 287-291. ISSN 0036-8075

Krishnaswamy, S. ; Lal, D. ; Martin, J. M. ; Meybeck, M. (1971) Geochronology of lake sediments Earth and Planetary Science Letters, 11 (1-5). pp. 407-414. ISSN 0012-821X

Bhandari, N. ; Bhat, S. G. ; Krishnaswamy, S. ; Lal, D. (1971) A rapid beta gamma coincidence technique for determination of natural radionuclides in marine deposits Earth and Planetary Science Letters, 11 (1-5). pp. 121-126. ISSN 0012-821X

Bhandari, N. ; Bhat, S. G. ; Lal, D. ; Rajagopalan, G. ; Tamhane, A. S. ; Venkatavaradan, V. S. (1971) Super-heavy elements in extraterrestrial samples Nature, 230 . 219 - 224. ISSN 0028-0836

Bhandari, N. ; Bhat, S. ; Lal, D. ; Rajagopalan, G. ; Tamhane, A. S. ; Venkatavaradan, V. S. (1971) High resolution time averaged (millions of years) energy spectrum and chemical composition of iron-group cosmic ray nuclei at 1 A. U. based on fossil tracks in Apollo samples Proceedings of the Lunar Science Conference, Houston, 2 . pp. 2611-2619.

Bhandari, N. ; Bhat, S. ; Lal, D. ; Rajagopalan, G. ; Tamhane, A. S. ; Venkatavaradan, V. S. (1971) Spontaneous fission record of uranium and extinct transuranic elements in Apollo samples Proceedings of the Lunar Science Conference, Houston, 2 . pp. 2599-2609.

Arrhenius, G. ; Liang, S. ; MacDougall, D. ; Wilkening, L. ; Bhandari, N. ; Bhat, S. ; Lal, D. ; Rajagopalan, G. ; Tamhane, A. S. ; Venkatavaradan, V. S. (1971) The exposure history of the Apollo 12 regolith Proceedings of the Lunar Science Conference, Houston, 2 . pp. 2583-2598.

Krishnaswamy, S. ; Lal, D. ; Somayajulu, B. L. K. (1970) U²³⁴/U²³⁸ activity ratios in South Pacific Ocean water Proceedings of the Indian Academy of Sciences, Section A, 71 (5). pp. 238-241. ISSN 0370-0089

Bhandari, N. ; Lal, D. ; Rama, (1970) Vertical structure of the troposhpere as revealed by radioactive tracer studies Journal of Geophysical Research: Oceans, 75 (15). pp. 2974-2980. ISSN 0148-0227

Somayajulu, B. L. K. ; Lal, D. ; Kusumgar, S. (1969) Man-made carbon-14 in deep Pacific waters: transport by biological skeletal material Science, 166 (3911). pp. 1397-1399. ISSN 0036-8075

Bhandari, N. ; Bhat, S. G. ; Kharkar, D. P. ; Krishna Swamy, S. ; Lal, D. ; Tamhane, A. S. (1966) Cosmic ray produced Mg²⁸, Si³¹, S³⁸, C^l38, Cl^34m and other short-lived radioisotopes in wet precipitation Tellus, 18 (2-3). pp. 504-515. ISSN 0040-2826

Bhandari, N. ; Lal, D. ; Rama, D. (1966) Stratospheric circulation studies based on natural and artificial radioactive tracer elements Tellus, 18 (2-3). pp. 391-406. ISSN 0280-6509

Lal, D. ; Arnold, J. R. ; Somayajulu, B. L. K. (1964) A method for the extraction of trace elements from sea water Geochimica et Cosmochimica Acta, 28 (7). pp. 1111-1117. ISSN 0016-7037

Lal, D. ; Peters, B. (1962) Cosmic ray produced isotopes and their application to problems in geophysics Progress in Elementary Particle and Cosmic Ray Physics, 6 . pp. 1-74. ISSN 0079-6247

Goel, P. S. ; Kharkar, D. P. ; Lal, D. ; Narsappaya, N. ; Peters, B. ; Yatirajam, V. (1958) Prehistoric cosmic ray intensity Il Nuovo Cimento (1955-1965), 8 (2). pp. 801-804.

Lal, D. ; Malhotra, P. K. ; Peters, B. (1958) On the production of radioisotopes in the atmosphere by cosmic radiation and their application to meteorology Journal of Atmospheric and Terrestrial Physics, 12 (4). pp. 306-328. ISSN 0021-9169

Kharkar, D. P. ; Lal, D. ; Narsappaya, N. ; Peters, B. (1958) Dating of ocean sediments Bulletin of the National Institute of Sciences of India . pp. 39-42.

Goel, P. S. ; Kharkar, D. P. ; Lal, D. ; Narsappaya, N. ; Peters, B. ; Yatirajam, V. (1957) The beryllium-10 concentration in deep-sea sediments Deep Sea Research (1953), 4 . pp. 202-210. ISSN 0146-6313

Goel, P. S. ; Jha, S. ; Lal, D. ; Radhakrishna, P. ; Rama, (1956) Cosmic ray produced beryllium isotopes in rain water Nuclear Physics, 1 (3). pp. 196-201. ISSN 0029-5582

Apparao, M. V. K. ; Biswas, S. ; Daniel, R. R. ; Lal, D. ; Mitra, S. ; Peters, B. ; Rama, (1956) Observations on K-mesons and hyperons Il Nuovo Cimento (1955-1965), 4 (2). pp. 474-478. ISSN 0369-3546

Daniel, R. R. ; Lal, D. (1955) Nuclear interactions of K-mesons Proceedings of the Indian Academy of Sciences, Section A, 41 (1). pp. 15-24. ISSN 0370-0089

Daniel, R. R. ; Friedmann, G. ; Lal, D. ; Pal, Yash ; Peters, B. (1954) On the construction of large nuclear emulsion block detectors Proceedings of the Indian Academy of Sciences, Section A, 40 (4). pp. 151-157. ISSN 0370-0089

Lal, D. ; Pal, Yash ; Peters, B. (1953) Observations on τ- mesons and on K-mesons giving rise to capture stars Proceedings of the Indian Academy of Sciences, Section A, 38 (5). pp. 398-417. ISSN 0370-0089

Lal, D. ; Pal, Yash ; Peters, B. (1953) Properties of heavy unstable particles Physical Review, 92 (2). pp. 438-440. ISSN 0031-899X

Lal, D. ; Pal, Yash ; Peters, B. (1953) The preparation of large nuclear emulsion detectors and their application to the study of K-mesons and hyperons Proceedings of the Indian Academy of Sciences, Section A, 38 (4). pp. 277-287. ISSN 0370-0089

Lal, D. ; Pal, Yash ; Kaplon, M. F. ; Peters, B. (1952) Composition and time variation of primary cosmic radiation Physical Review, 86 (4). pp. 569-570. ISSN 0031-899X

Lal, D. ; Pal, Yash ; Peters, B. ; Swami, M. S. (1952) Production and interaction of mesons at very high energies Physical Review, 87 (3). p. 545. ISSN 0031-899X