P. K. Patra

Publication List Details

Period

1998 - 2009

Number

38

Co-Authors

Transport mechanisms for synoptic, seasonal and interannual SF6 variations and "age" of air in troposphere (2009)

P. K. Patra, M. Takigawa, G. S. Dutton, K. Uhse, K. Ishijima, B. R. Lintner, ...

We use an atmospheric general circulation model (AGCM) driven chemistry-transport model (ACTM) to simulate the evolution of sulfur hexafluoride (SF6) in the troposphere. The model results are...

Increasing synoptic scale variability in atmospheric CO2 at Hateruma Island associated with increasing East Asian emissions (2009)

Y. Tohjima, H. Mukai, S. Hashimoto, P. K. Patra

In-situ observations of atmospheric CO2 and CH4 at Hateruma Island, Japan show large synoptic scale variations during a 6-month period from November to April, when the sampled air is predominantly of...

Increasing synoptic scale variability in atmospheric CO<sub>2</sub> at Hateruma Island associated with increasing East Asian emissions (2009)

Y. Tohjima, H. Mukai, S. Hashimoto, P. K. Patra

In-situ observations of atmospheric CO<sub>2</sub> and CH<sub>4</sub> at Hateruma Island, Japan show large synoptic scale variations during a 6-month period from November to...

Trace gases and CO sub(2) isotope records from Cabo de Rama, India (2009)

Bhattacharya, S.K., Borole, D.V., Francey, R.J., Allison, C.E., Steele, L.P., Krummel, P., ...

Concentrations of carbon dioxide (CO sub(2)), methane (CH sub(4)), carbon monoxide (CO), nitrous oxide (N sub(2) O) and hydrogen (H sub(2)), and the stable carbon (delta sup(13) C- CO sub(2)) and...

TransCom model simulations of hourly atmospheric CO2: Analysis of synoptic-scale variations for the period 2002¿2003 (2008)

Patra, P.K., Law, R.M., Peters, W., Krol, M.C.

The ability to reliably estimate CO2 fluxes from current in situ atmospheric CO2 measurements and future satellite CO2 measurements is dependent on transport model performance at synoptic and shorter...

TransCom model simulations of hourly atmospheric CO2: Analysis of synoptic-scale variations for the period 2002-2003 (2008)

Patra, P.K., Law, R. M., Peters, W., Rödenbeck, C., Takigawa, M., Aulagnier, C., ...

The ability to reliably estimate CO2 fluxes from current in situ atmospheric CO2 measurements and future satellite CO2 measurements is dependent on transport model performance at synoptic and shorter...

Transport mechanisms for synoptic, seasonal and interannual SF<sub>6</sub> variations in troposphere (2008)

P. K. Patra, M. Takigawa, G. S. Dutton, K. Uhse, K. Ishijima, B. R. Lintner, ...

We use an atmospheric general circulation model (AGCM) driven Chemistry-Transport Model (ACTM) to simulate the evolution of sulfur hexafluoride (SF<sub>6</sub>) in the atmosphere. The...

Transport mechanisms for synoptic, seasonal and interannual SF6 variations in troposphere (2008)

P. K. Patra, M. Takigawa, G. S. Dutton, K. Uhse, K. Ishijima, B. R. Lintner, ...

We use an atmospheric general circulation model (AGCM) driven Chemistry-Transport Model (ACTM) to simulate the evolution of sulfur hexafluoride (SF6) in the atmosphere. The model results are compared...

Atmospheric deposition and surface stratification as controls of contrasting chlorophyll abundance in the North Indian Ocean (2007)

Patra, P.K., DileepKumar, M., Mahowald, N.

Intense upwelling during summer and convection in winter are believed to drive higher biological productivity in the Arabian Sea than in the Bay of Bengal. Although the Arabian Sea receives...

Comparison of CO2 fluxes estimated using atmospheric and oceanic inversions, and role of fluxes and their interannual variability in simulating atmospheric CO2 concentrations (2006)

Patra, P. K., Mikaloff Fletcher, S. E., Ishijima, K., Maksyutov, S., Nakazawa, T.

We use a time-dependent inverse (TDI) model to estimate regional sources and sinks of atmospheric CO2 from 64 and then 22 regions based on atmospheric CO2 observations at 87 stations. The air-sea...

Comparison of CO2 fluxes estimated using atmospheric and oceanic inversions, and role of fluxes and their interannual variability in simulating atmospheric CO2 concentrations (2006)

Patra, P. K., Mikaloff Fletcher, S. E., Ishijima, K., Maksyutov, S., Nakazawa, T.

We use a time-dependent inverse (TDI) model to estimate regional sources and sinks of atmospheric CO2 from 64 and then 22 regions based on atmospheric CO2 observations at 87 stations. The air-sea...

Serum adenosine deaminase levels in reactional and non-reactional leprosy (2005)

Nigam, P.K., Srivastava, P., Patra, P.K.

BACKGROUND AND AIMS: Altered serum adenosine deaminase (ADA) levels have been recorded in various diseases involving lymphocytes and/or lymphoreticular system including leprosy. The study was planned...

The Indian summer monsoon rainfall: interplay of coupled dynamics, radiation and cloud microphysics (2005)

P. K. Patra, S. K. Behera, J. R. Herman, S. Maksyutov, H. Akimoto, Y. Yamagata

The Indian summer monsoon rainfall (ISMR), which has a strong connection to agricultural food production, has been less predictable by conventional models in recent times. Two distinct years 2002 and...

The Indian summer monsoon rainfall: interplay of coupled dynamics, radiation and cloud microphysics (2005)

Patra, P. K., Behera, S. K., Herman, J. R., Maksyutov, S., Akimoto, H., Yamagata, T.

The Indian summer monsoon rainfall (ISMR), which has a strong connection to agricultural food production, has been less predictable by conventional models in recent times. Two distinct years 2002 and...

The Indian summer monsoon rainfall: interplay of coupled dynamics, radiation and cloud microphysics (2005)

Patra, P. K., Behera, S. K., Herman, J. R., Maksyutov, S., Akimoto, H., Yamagata, Y.

The Indian summer monsoon rainfall (ISMR), which has a strong connection to agricultural food production, has been less predictable by conventional models in recent times. Two distinct years 2002 and...

The Indian summer monsoon rainfall: interplay of coupled dynamics, radiation and cloud microphysics (2005)

Patra, P. K., Behera, S. K., Herman, J. R., Maksyutov, S., Akimoto, H., Yamagata, T.

The Indian summer monsoon rainfall (ISMR), which has a strong connection to agricultural food production, has been less predictable by conventional models in recent times. Two distinct years 2002 and...

The Indian summer monsoon rainfall: interplay of coupled dynamics, radiation and cloud microphysics (2005)

Patra, P. K., Behera, S. K., Herman, J. R., Maksyutov, S., Akimoto, H., Yamagata, Y.

The Indian summer monsoon rainfall (ISMR), which has a strong connection to agricultural food production, has been less predictable by conventional models in recent times. Two distinct years 2002 and...

The Indian summer monsoon rainfall: interplay of coupled dynamics, radiation and cloud microphysics (2005)

P. K. Patra, S. K. Behera, J. R. Herman, S. Maksyutov, H. Akimoto, T. Yamagata

The Indian summer monsoon rainfall (ISMR), which has a strong connection to agricultural food production, has been less predictable by conventional models in recent times. Two distinct years 2002 and...

Halogen Occultation Experiment (HALOE) and balloon-borne in situ measurements of methane in stratosphere and their relation to the quasi-biennial oscillation (QBO) (2003)

P. K. Patra, S. Lal, S. Venkataramani, D. Chand

Measurements of methane have been made from various observational platforms in the atmosphere. In this article, we have compared four high precision balloon-borne measurements from Hyderabad...

Halogen Occultation Experiment (HALOE) and balloon-borne in situ measurements of methane in stratosphere and their relation to the quasi-biennial oscillation (QBO) (2003)

Patra, P. K., Lal, S., Lal, S., Chand, D.

Measurements of methane have been made from various observational platforms in the atmosphere. In this article, we have compared four high precision balloon-borne measurements from Hyderabad (17.5°...

Halogen Occultation Experiment (HALOE) and balloon-borne in situ measurements of methane in stratosphere and their relation to the quasi-biennial oscillation (QBO) (2003)

Patra, P. K., Lal, S., Venkataramani, S., Chand, D.

Measurements of methane have been made from various observational platforms in the atmosphere. In this article, we have compared four high precision balloon-borne measurements from Hyderabad...

Halogen Occultation Experiment (HALOE) and balloon-borne in situ measurements of methane in stratosphere and their relation to the quasi-biennial oscillation (QBO) (2003)

Patra, P. K., Lal, S., Lal, S., Chand, D.

Measurements of methane have been made from various observational platforms in the atmosphere. In this article, we have compared four high precision balloon-borne measurements from Hyderabad (17.5°...

Halogen Occultation Experiment (HALOE) and balloon-borne in situ measurements of methane in stratosphere and their relation to the quasi-biennial oscillation (QBO) (2003)

Patra, P. K., Lal, S., Venkataramani, S., Chand, D.

Measurements of methane have been made from various observational platforms in the atmosphere. In this article, we have compared four high precision balloon-borne measurements from Hyderabad...

Nitrous oxide emissions from the Arabian Sea: A synthesis (2001)

H. W. Bange, M. O. Andreae, S. Lal, C. S. Law, P. K. Patra, ...

We computed high-resolution (1º latitude x  1º longitude) seasonal and annual nitrous oxide (N2O) concentration fields for the Arabian Sea surface layer using a database containing more than...

Nitrous oxide emissions from the Arabian Sea: A synthesis (2001)

Bange, H. W., Andreae, M. O., Lal, S., Law, C. S., Naqvi, S. W. A., Patra, P. K., ...

We computed high-resolution (1o latitude × 1o longitude) seasonal and annual nitrous oxide (N2O) concentration fields for the Arabian Sea surface layer using a database containing more than 2400...

Nitrous oxide emissions from the Arabian Sea: A synthesis (2001)

Bange, H. W., Andreae, M. O., Lal, S., Law, C. S., Naqvi, S. W. A., Patra, P. K., ...

We computed high-resolution (1º latitude x 1º longitude) seasonal and annual nitrous oxide (N2O) concentration fields for the Arabian Sea surface layer using a database containing more than 2400...

Nitrous oxide emissions from the Arabian Sea: A synthesis (2001)

Bange, H. W., Andreae, M. O., Lal, S., Law, C. S., Naqvi, S. W. A., Patra, P. K., ...

We computed high-resolution (1o latitude × 1o longitude) seasonal and annual nitrous oxide (N2O) concentration fields for the Arabian Sea surface layer using a database containing more than 2400...

Nitrous oxide emissions from the Arabian Sea: A synthesis (2001)

Bange, H. W., Andreae, M. O., Lal, S., Law, C. S., Naqvi, S. W. A., Patra, P. K., ...

We computed high-resolution (1º latitude x 1º longitude) seasonal and annual nitrous oxide (N2O) concentration fields for the Arabian Sea surface layer using a database containing more than 2400...

Nitrous oxide emissions from the Arabian Sea: A synthesis (2001)

Bange, H.W., Andreae, M.O., Lal, S., Law, C.S., Naqvi, S.W.A., Patra, P.K., ...

High-resolution (1 degree x 1 degree longitude) seasonal and annual nitrous oxide (N sub(2) O) concentration fields for the Arabian Sea surface layer using a database containing more than 2400 values...

Nitrous oxide emissions from the Arabian Sea: A synthesis (2001)

H. W. Bange, M. O. Andreae, S. Lal, C. S. Law, P. K. Patra, ...

We computed high-resolution (1<sup>o</sup> latitude × 1<sup>o</sup> longitude) seasonal and annual nitrous oxide (N<sub>2</sub>O) concentration fields for...

Seasonal and spatial variability in N sub(2)O distribution in the Arabian Sea (1999)

Patra, P.K., Lal, S., Venkataramani, S., DeSousa, S.N., Sardessai, S.

Extensive measurements of nitrous oxide (N sub(2)O) were made in the central and eastern Arabian Sea during the northeast monsoon (February-March), intermonsoon (April-May) and southwest monsoon...

Seasonal variability in distribution and fluxes of methane in the Arabian Sea (1998)

Patra, P.K., Lal, S., Venkataramani, S., Gauns, M.

Methane, a biogeochemically important gas in Earth's atmosphere was measured in the water column and air in the Arabian Sea in different seasons, viz., northeast monsoon, intermonsoon, and southwest...